What was found
DURING "A" CHECK FOUND MID EMERGENCY LIGHTS OUT, UPPER DECK. REMOVED AND REPLACED MID BATTERY UPPER DECK AND OPS CHECKED NORMAL PER B747 MM 33-51-00.
- Difficulty date
- April 22, 2009
- Submitted
- May 4, 2009
- Operation
- Air carrier
- Aircraft
- N715CK
- Make and model
- Boeing 747209B
- Aircraft serial
- 22447
- Aircraft time
- 88,702 hours, 21,291 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 900835A
- Part serial
- 484
- 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.