What was found
APU FAULT LIGHT ON APU START LIGHT EXT AFTER 4 MIN. FAULT AGAIN ON 2ND ATTEMPT. REMOVED & REPLACED APU GENERATOR IAW AMM REF 49 41 21 PG BLOCK 401. OPS CHECK NORMAL PER AMM REF 49 11 00, APU OPERATIONAL TEST.
- Difficulty date
- April 9, 2010
- Submitted
- April 12, 2010
- Operation
- Air carrier
- Aircraft
- N587AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35684
- Aircraft time
- 9,409 hours, 2,713 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Generator
- Part number
- 28B5457
- Part serial
- 87B0970
- Condition
- Malfunctioned
- Location
- Apu
- Part time
- 9,409 hours, 2,713 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.