What was found
APU FAULT LIGHT CAME ON WHEN TRYING TO START THE APU. ACFT GROUNDED. R & R THE IGNITOR PLUG IAW AMM 49-41-51, AND THE IGNITOR LEAD IAW AMM 49-41-52. OPS CHECKED NORMAL.
- Difficulty date
- April 1, 2016
- Submitted
- April 5, 2016
- Operation
- Air carrier
- Aircraft
- N440AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41705
- Aircraft time
- 9,632 hours, 3,153 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Igniter
- Part number
- 3057661
- Condition
- Failed
- Location
- Apu
- 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.