Service difficulty report · Power Supply · Boeing 747422
FAA SDR system
- Difficulty date
- August 13, 2009
- Submitted
- August 17, 2009
- Operation
- Air carrier
- Aircraft
- N178UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24385
- Aircraft time
- 79,809 hours, 9,747 cycles
- Engine
- Pwa PW4056
- Part
- Power Supply
- Part number
- 582240
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.
What was found
EMERGENCY EXIT LIGHTS INOP LEFT OVERWING EXTERIOR AFT 2 LIGHT ASSY'S. REPLACED M7919 POWER SUPPLY.