What was found
AIR TURN BACK DUE TO AUX UPPER L PUMP MALFUNCTION. PUMP CONSTANTLY ON/OFF PRESSURE.
- Difficulty date
- September 9, 2021
- Submitted
- September 10, 2021
- Operation
- Air carrier
- Aircraft
- N542KD
- Make and model
- Doug MD11F
- Aircraft serial
- 48542
- Aircraft time
- 72,310 hours, 14,607 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Pump
- Condition
- Malfunctioned
- Location
- Fuel Boost
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.