What was found
CREW REPORTED APU GENERATOR WILL NOT COME ONLINE AND NO VOLTS OR FREQS SHOW. ACFT GROUNDED. REMOVED & REPLACED APU STARTER GENERATOR IAW AMM 49-41-21. OPS & LEAK CHECKED GOOD . APU GEN VOLTS/FREQUENCIES FAULT LIGHT GOOD.
- Difficulty date
- January 18, 2017
- Submitted
- January 30, 2017
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 9,150 hours, 3,023 cycles
- System (JASC)
- 2435 · Starter-Generator
- Part
- Starter Gen
- Part number
- 28B5457
- Part serial
- 117B1063
- Condition
- Failed
- Location
- Apu
- Part time
- 8,174 hours, 11,537 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.