22 December 1999
Customer Support Policy Letter No. 0109K-2
This Policy Letter is applicable to all models/configurations of ALF502R, ALF502L, and
LF507 Honeywell Bank Engines. This Policy Letter describes the Engine Maintenance
and Inspection Requirements Prior to Return from a Rental Period.
This Customer Support Policy Letter No. 0109K-2 replaces Customer Operations Policy
No. 0109, 0109K, and 0109K-1 all of which should be discarded.
This Customer Support Policy Letter is intended to provide instructions for maintenance
of ALF502 and LF507 lease/consignment engines. Also included are the engine record
assessments, and inspection requirements at the termination of engine usage and prior to
return to Honeywell. Failure to accomplish these instructions may subject the user to
charges for damages, missing hardware, missing paperwork, and/or unnecessary wear to
the engine.
Maintenance Program
1. Adhere to all procedures contained on applicable Engine Manuals (EM), Component
Maintenance Manuals (CMM), and Airframe Manufacturer’s Maintenance Manuals
(AMM) and operating manuals, Service Bulletins (SB), Service Information Letters
(SIL), and applicable regulatory agency airworthiness directives (AD).
2. Minimize operational exposure to demanding flight profiles and adverse
environmental conditions.
3. Use of unapproved fuels, oils, materials or unauthorized hardware for incorporation
into the engine is prohibited.
4. Perform the inspection checks and maintenance actions not to exceed the
recommended intervals in accordance with instructions in the latest revisions of the
applicable SB LF507-1F, LF507-1H 72-1, ALF502 72-0001, ALF502 72-0004,
Component Service Life Limits, ALF502 72-0005 Engine and Accessory Time
Between Overhaul (TBO), and Engine Time Between Inspections (TBI).
5. All work performed must be recorded in the applicable engine’s logbook and is the
responsibility of the lesser. The engine logbook must accompany the engine at the
termination of the lease.
6. Utilize trend monitoring or some other form of gas path analysis approved by
Honeywell. Daily recording of performance data is required. For details refer to
Textron Lycoming Service Letter dated August 22, 1986 entitled “Trend
Monitoring.” Data must be plotted and reviewed a minimum of once every 30 flight
cycles. At the conclusion of the lease, the trends and/or data collected throughout the
entire duration of the lease term are to be provided to the Honeywell Bank Engine
Manager.
CSPL0109K-2.DOC
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22 December 1999
POST-LEASE/CONSIGNMENT GUIDELINES
PART I – RECORDS CHECK
ENGINE/MODULE RECORDS ASSESSMENT
1. All maintenance actions performed by the operator on the engine shall be indicated in
the following assessments:
ENGINE/MODULE S/N ___________ PREPARER’S NAME _______________
MODEL ____________________
OPERATOR ________________________
ENGINE TTSN/TCSN _____________ DATE OF ASSESSMENT _____________
PART 1 – RECORDS CHECK
ITEM INSPECTION/WORK TO BE PERFORMED
RESULTS/REMARKS
1. Review engine logbook and confirm all
modules and accessories reflect the correct
part and serial number.
2. Ensure that all maintenance actions performed
during the lease/consignment period have been
entered into the logbook and are properly
documented.
3. Identify any airworthiness directives or
mandatory Service Bulletins that require
accomplishment.
CSPL0109K-2.DOC
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22 December 1999
POST-LEASE/CONSIGNMENT GUIDELINES
PART II – SPECIAL INSPECTION AND
GROUND RUN INSTRUCTIONS
ENGINE S/N _________________
MODEL _____________________
POSITION ______________
OPERATOR _________________________________________________________
DATE OF INSPECTION ________________________
PART II – A. STATIC INSPECTION
ITEM INSPECTION/WORK TO BE PRFORMED
RESULTS/REMARKS
1. Perform external inspection of engine pay
particular attention to the following: fuel/oil
leakage, missing hardware, loose bolts/fittings and
broken or frayed wiring.
2. Inspect all engine chip detectors and record
condition
FFCD
AGB CD
NO. 2 CD
NO. 4/5 CD
3. Inspect oil filter cap for impending bypass
indication
YES
NO
4. Inspect fan and 4th turbine disc assembly for FOD YES
NO
5. Rotate fan (N1) and note any binding or unusual
noise
If YES, indicate
damage
CSPL0109K-2.DOC
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22 December 1999
POST-LEASE/CONSIGNMENT GUIDELINES
PART II – SPECIAL INSPECTION AND
GROUND RUN INSTRUCTIONS (CONT.)
ENGINE S/N _________________
MODEL _____________________
POSITION ______________
OPERATOR _________________________________________________________
DATE OF INSPECTION ________________________
PART II – B. GROUND RU N INSPECTION
ITEM INSPECTION/WORK TO BE PREFORMED
1. Record start TGT: indicate engine position
RESULTS/REMARKS
GI: ______ degrees C
With engine stabilized at GI, record N1, N2 Oil Press.: ______ PSI
N1 _______%
N2 _______%
Oil Temp ______ PSI
Vibration ______ IPS
2. Vibration, oil pressure, TGT, and oil temp.
Adjust parameters as required to meet
acceptable limits.
TGT _____ degrees C
3. Perform leak check with zone 1 and 2 cowls
open.
4. Adjust bleed bank trim as necessary per
Honeywell Engine Manual.
Bleed Bank Open:
T.O. Thrust Trim:
___________ % N2
___________ % N2
5. Adjust T.O. trust trim as necessary per
Honeywell Engine Manual.
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