What was found
APU START-GEN UNIT FAILED OPS TEST. WOULD NOT COME ONLINE, FEEDER FAULT. ACFT GROUNDED. R & R APU STARTER-GENERATOR UNIT IAW AMM 49-41-21. LEAK AND OPS TEST GOOD.
- Difficulty date
- March 13, 2016
- Submitted
- March 15, 2016
- Operation
- Air carrier
- Aircraft
- N513AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35192
- Aircraft time
- 28,806 hours, 8,694 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Starter Gen
- Part number
- 28B5459STYLEA
- Part serial
- 57B0871
- Condition
- Failed
- Location
- Apu
- Part time
- 5,133 hours, 7,895 cycles
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.