What was found
APU HAS HISTORY OF FAULT LIGHT ILLUMINATION WITH FAULT CODE 49-41254. ACFT GROUNDED. REPLACED APU STARTER GENERATOR REF AMM 49-41-21. OPS TEST GOOD NO LEAKS NOTED.
- Difficulty date
- May 13, 2016
- Submitted
- May 17, 2016
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 12,250 hours, 3,958 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Generator
- Part number
- 28B5459STYLEA
- Part serial
- 92F0215
- Condition
- Failed
- Location
- Apu
- Part time
- 2,955 hours, 6,063 cycles
- Stage of operation
- IN
- 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.