What was found
DURING A MAINTENANCE VISIT THE OVERWING RIGHT EMERGENCY LIGHT L1870 AND L1165 WERE FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY M7920. SYSTEM OPERATION WAS NORMAL AFTER THE POWER SUPPLY WAS REPLACED.
- Difficulty date
- March 21, 2011
- Submitted
- March 22, 2011
- Operation
- Air carrier
- Aircraft
- N661US
- Make and model
- Boeing 747451
- Aircraft serial
- 23719
- Aircraft time
- 90,787 hours, 12,076 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Inoperative
- Location
- Cabin
- 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.