What was found
APU AUTO SHUTDOWN, OVERSPEED LIGHT ILLUMINATED. ACFT GROUNDED. RAN APU. NO AUTO SHUTDOWN OR OVERSPEED LIGHT. OPS CHECKED NORMAL. ACFT OK FOR SERVICE .
- Difficulty date
- October 12, 2017
- Submitted
- October 16, 2017
- Operation
- Air carrier
- Aircraft
- N474AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40715
- Aircraft time
- 9,246 hours, 3,020 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Auto Shutdown
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.