What was found
EMERGENCY LIGHT IN UPPER DECK LOUNGE DID NOT COME ON DURING TEST. INSTALLED BATTERY PACK POWER SUPPLY MODULE PER B747 MM 33-51-04 PAGE 201-204, OPS CHECKED PER B747 MM 33-51-04 PAGE 204-205.
- Difficulty date
- July 13, 2007
- Submitted
- August 14, 2007
- Operation
- Air carrier
- Aircraft
- N488EV
- Make and model
- Boeing 747230B
- Aircraft serial
- 23287
- Aircraft time
- 85,670 hours, 15,229 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 900835A
- Part serial
- 75633
- Condition
- No Test
- Location
- Emergency Lights
- 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.