What was found
APU AUTO SHUTDOWN PROCESS BEGAN. RAN THE QRH WITH NO FIRE VISIBLE. APU WAS SHUT DOWN. THERE WAS AN ELECTRICAL SMELL IN THE AFT CABIN. R/R APU ECU REF B717 AMM 49-61 (8304376) (AIRCRAFT GROUNDED)
- Difficulty date
- April 26, 2026
- Submitted
- April 29, 2026
- Operation
- Air carrier
- Aircraft
- N998AT
- Make and model
- Boeing 717200
- Aircraft serial
- 55142
- Aircraft time
- 60,490 hours, 43,902 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Ecu
- Condition
- Failed
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.