What was found
EMERGENCY LIGHT IN UPPER DECK FWD HALF SECTION INOPERATIVE. REPLACED EMERGENCY LIGHT BATTERY PACK WITH KNOWN GOOD UNIT FOR POS UNIT M335, M312 AND M7052. REF AMM 33-50. 7047826.
- Difficulty date
- April 28, 2015
- Submitted
- April 29, 2015
- Operation
- Air carrier
- Aircraft
- N661US
- Make and model
- Boeing 747451
- Aircraft serial
- 23719
- Aircraft time
- 106,353 hours, 13,951 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.