What was found
NR 1 AFT FUEL PUMP LOW PRESSURE ANNUNCIATOR DOES NOT ILLUMINATE WITH SWITCH OFF. GROUNDED - YES. REMOVED AND REPLACED #1 AFT FUEL BOOST PUMP PRESSURE SWITCH PER B737-800 AMM 28-42-11-00-801/420-801. OPS CHECK GOOD, NO LEAK.
- Difficulty date
- June 19, 2019
- Submitted
- June 21, 2019
- Operation
- Air carrier
- Aircraft
- N590AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35687
- Aircraft time
- 43,627 hours, 13,112 cycles
- System (JASC)
- 2822 · Fuel Boost Pump
- Part
- Pressure Switch
- Part number
- 21C1321
- Condition
- Failed
- Location
- Boost Pump
- 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.