What was found
APU WILL NOT START AS REPORTED BY FLT CREW. ACFT GROUNDED. REPLACED APU IGNITOR PLUG & IGNITION UNIT IAW AMM 49-41-51-000-801, 49-41-51-400-801, 49-41-31-000-801 & 49-41-31-400-801. APU START NORMAL.
- Difficulty date
- April 18, 2014
- Submitted
- April 21, 2014
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 26,563 hours, 8,095 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Igniter
- Condition
- Failed
- Location
- Apu
- Part time
- 5,141 hours, 6,363 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.