What was found
NUMBER 4 AFT BOOST PUMP LOW PRESS LIGHTS ARE INOPERATIVE. CLEANED NR 4 AFT BOOST PUMP PRESS SWITCH & LOW PRESS LIGHT. OPERATIONS NORMAL.
- Difficulty date
- May 31, 2014
- Submitted
- June 3, 2014
- Operation
- Air carrier
- Aircraft
- N120UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29166
- Aircraft time
- 61,892 hours, 7,130 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2820 · Aircraft Fuel Distribution System
- Part
- Pressure Switch
- Condition
- Dirty
- Location
- Fuel System
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.