What was found
AIRCRAFT WAS NOT GROUNDED: FUEL IMBALANCE AND AFT LEFT PUMP LOW PRESSURE NOT LIGHTING UP WITH PUMP OFF WHEN TRYING TO BALANCE. REMOVED AND REPLACED LEFT HAND AFT FUEL PRESSURE SWITCH. PER AMM 28-42-11. OPS AND LEAK CHECK GOOD.
- Difficulty date
- March 28, 2026
- Submitted
- March 30, 2026
- Operation
- Air carrier
- Aircraft
- N846NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31101
- Aircraft time
- 46,336 hours, 19,955 cycles
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Pressure Switch
- Part number
- 21C13211
- Condition
- Inoperative
- Location
- Zone 100
- 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.