Service difficulty report · Engine · Bombdr BD1001A10

Difficulty date
September 8, 2024
Submitted
September 12, 2024
Operation
Air carrier
Aircraft
N739QS
Make and model
Bombdr BD1001A10
Aircraft serial
20690
Aircraft time
7,999 hours, 4,621 cycles
Engine
Hnywl AS90721A
Part
Engine
Part number
70040702L
Condition
Power Loss
Location
Left
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT ROTATION, RED CAS & MASTER WARNING. ENG ROLLED BACK, CAME BACK UP, 2ND IDENTICAL CAS FOLLOWED BY ROLL BACK AGAIN. ENG DID NOT HAVE POWER CONTROL FOR ROUGHLY 1 MIN. REMOVED ENG SN: PL36679 DUE TO ITI OVER TEMP OF L 197 DEGREES. INSTALLED REPAIRED ENG SN: PL36250. SERVICED ENG OIL SYS & ATS. COMPLIED WITH VISUAL INSPECT OF REAR ENG MOUNT STRUT SEALS. COMPLIED WITH DETAILED INSPECT OF ENG MOUNT POINTS. COMPLIED WITH WET MOTOR, DRY MOTOR, ENGINE OPS, LEAK CHECK POWER ASSURANCE RUN, EEC INITIALIZATION & THRUST REVERSER ACTIVATION. NO DISCREPANCIES. WORK IN REF TO LMM AS907-2-1.A, 72-05-22, 05-20-00, 72-00-00 REV. 12 & AMM REV. 40, 71-00-00 & OTHER DATA & METHODS ACCEPTABLE TO THE ADMINISTRATOR.