What was found
FLT NO: MGE 401. ESI - APU SHUTDOWN 2X WHILE ENG STARTING. PERFORMED ECU BITE CHECK FOUND REVERSE FLOW MSG. R/R PRESSURE SENSOR PER AMM 49-61-04. OPS CHECK GOOD.
- Difficulty date
- March 12, 2025
- Submitted
- March 17, 2025
- Operation
- Air carrier
- Aircraft
- N757QM
- Make and model
- Boeing 75729J
- Aircraft serial
- 27203
- Aircraft time
- 67,674 hours, 34,968 cycles
- System (JASC)
- 4900 · Airborne Auxiliary Power Unit (APU) System
- Part
- Pressure Sensor
- Part number
- 38760355
- Part serial
- 071121413829
- Condition
- Faulted
- Location
- Apu
- Stage of operation
- TX
- 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.