What was found
AIRCRAFT WAS GROUNDED: LEFT MAIN AFT FUEL PUMP WILL NOT SHUT OFF. REMOVED AND REPALCED GFI RELAY R18. PER AMM 28-22-18. OPERATIONAL CHECK OF RELAY AND LOW PRESSURE SWITCH GOOD. PUMP WORKING PROPERLY. PER AMM 28-42-11.
- Difficulty date
- June 27, 2025
- Submitted
- July 8, 2025
- Operation
- Air carrier
- Aircraft
- N987NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33247
- Aircraft time
- 26,247 hours, 11,336 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Relay
- 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.