What was found
DURING OVERNIGHT CHECK, FOUND LEFT SIDE OVERWING EMERGENCY ESCAPE SLIDE LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED BATTERY AND POWER SUPPLY. OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.
- Difficulty date
- April 30, 2009
- Submitted
- May 1, 2009
- Operation
- Air carrier
- Aircraft
- N633US
- Make and model
- Boeing 747451
- Aircraft serial
- 23818
- Aircraft time
- 85,440 hours, 11,196 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Emergency Light
- 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.