What was found
EMERGENCY LIGHT IN U/D, FWD HALF INOPERATIVE ON SERVICE CHECK. REPLACED BATTERY PACK WITH SERVICEABLE AT M335; CHECKED M312 AND M7052 IAW AMM 33-51. PERFORMED OPERATOR TEST & NORMAL. 7035643.
- Difficulty date
- May 2, 2015
- Submitted
- May 4, 2015
- Operation
- Air carrier
- Aircraft
- N663US
- Make and model
- Boeing 747451
- Aircraft serial
- 23818
- Aircraft time
- 108,096 hours, 13,965 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Light
- 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.