What was found
DURING OVERNIGHT MAINTENANCE, FOUND ZONE D EMERGENCY FLOOR PATH LIGHTS INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY AND BATTERY. OPERATIONAL CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- November 27, 2006
- Submitted
- November 28, 2006
- Operation
- Air carrier
- Aircraft
- N623US
- Make and model
- Boeing 747251B
- Aircraft serial
- 21705
- Aircraft time
- 97,917 hours, 16,949 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- 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.