What was found
AIRCRAFT WAS GROUNDED: AT FL360 APU SHUT DOWN A COUPLE OF TIMES AND RESTARTED NORMALLY. APU SHUTDOWN AGAIN. FLIGHT DIVERTED TO DEN, LANDING SAFELY. REPLACED APU OIL PRESSURE SWITCH PER AMM 49-94-22.
- Difficulty date
- November 21, 2021
- Submitted
- November 23, 2021
- Operation
- Air carrier
- Aircraft
- N969AN
- Make and model
- Boeing 737*
- Aircraft serial
- 29546
- Aircraft time
- 57,848 hours, 23,854 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Pressure Switch
- Condition
- Faulty
- Location
- Zone 300 - Stabs
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.