What was found
REF LOG PAGE # 60043791 APU FAIL FIRST START ATTEMPT. GROUNDED - YES. REMOVED AND REPLACED APU LUBE MODULE I.A.W. B737-900 AMM49-91-11. OPS CK AND LEAK CK GOOD. NO DEFECTS NOTED. THIS CLEARS TSR711671.
- Difficulty date
- March 16, 2022
- Submitted
- March 17, 2022
- Operation
- Air carrier
- Aircraft
- N486AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44107
- Aircraft time
- 24,030 hours, 7,635 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Module
- Part number
- 41310203
- Part serial
- 8189
- Condition
- Failed
- Location
- Apu
- Part time
- 7,813 hours, 14,095 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.