What was found
FOLLOW UP TO HISTORY OF #1 TANK AFT PUMP LOW PRESSURE LIGHT NOT ILLUMINATING. GROUNDED - YES. REMOVED AND REPLACED #1 TANK AFT PUMP PRESSURE SWITCH REF. B737-900 AMM 28-42-11.
- Difficulty date
- January 21, 2023
- Submitted
- January 24, 2023
- Operation
- Air carrier
- Aircraft
- N469AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41702
- Aircraft time
- 31,796 hours, 10,100 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Switch
- Part number
- 21C1321
- Condition
- Faulty
- Location
- Mlg Wheel Well
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.