What was found
DURING OVERNIGHT CHECK, MAINTENANCE FOUND THE LEFT FORWARD OVERWING EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED THE LIGHT ASSEMBLY AND THE POWER SUPPLY UNIT. OPERATIONAL CHECK WAS GOOD.
- Difficulty date
- December 8, 2009
- Submitted
- December 10, 2009
- Operation
- Air carrier
- Aircraft
- N676NW
- Make and model
- Boeing 747451
- Aircraft serial
- 33002
- Aircraft time
- 34,650 hours, 4,441 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.