What was found
EMERGENCY LIGHT SIGNS WILL NOT ILLUMINATE DURING TEST. R & R THE BATTERY PACK M312 IAW AMM 33-51. OP CHECKED GOOD. OK FOR SERVICE.
- Difficulty date
- September 30, 2017
- Submitted
- October 2, 2017
- Operation
- Air carrier
- Aircraft
- N668US
- Make and model
- Boeing 747451
- Aircraft serial
- 24223
- Aircraft time
- 114,560 hours, 14,012 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.