What was found
FUEL MAIN TANK 1 AFT SWITCH LIGHT IN COCKPIT OVERHEAD WILL NOT ILLUMINATE. REPLACED NR 1 AFT MAIN TANK PRESSURE SWITCH IAW AMM. LEAK AND OPS CK OK.
- Difficulty date
- August 23, 2013
- Submitted
- August 23, 2013
- Operation
- Air carrier
- Aircraft
- N117UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28810
- Aircraft time
- 59,136 hours, 7,042 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2800 · Aircraft Fuel System
- Part
- Switch
- Condition
- Inoperative
- Location
- Cockpit
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.