What was found
AIRCRAFT WAS GROUNDED: LOW PRESSURE INDICATION WHEN LEFT AFT MAIN FUEL PUMP TURNED ON. REMOVED AND REPLACED LEFT AFT MAIN FUEL PUMP LOW PRESSURE SWITCH. PER AMM 28-42-11. OPERATIONAL CHECK NORMAL.
- Difficulty date
- August 14, 2025
- Submitted
- August 20, 2025
- Operation
- Air carrier
- Aircraft
- N927NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31171
- Aircraft time
- 35,637 hours, 15,539 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Pressure Switch
- Part number
- 21C13211
- Condition
- Failed
- Location
- Zone 800
- 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.