- Difficulty date
- August 20, 2019
- Submitted
- August 21, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 16,581 hours, 5,371 cycles
- Part
- Generator
- Part number
- 28B5459STYLEA
- Part serial
- 35F1474
- Condition
- Failed
- Location
- Apu
- Part time
- 4,893 hours, 9,462 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AMBER FAULT LIGHT ILLUMINATED DURING START AT GATE, FOLLOWED QRH PROCEDURE AND FAULT LIGHT ILLUMINATED AGAIN DURING SECOND START ATTEMPT. GROUNDED - YES. REMOVED & REPLACED APU STARTER-GENERATOR REF B737-900 AMM 49-41-21. C/W B737-900 FIM 49-40 TASK 803, OPS CHECK GOOD.