What was found
DURING LINE CHECK FOUND RIGHT UPPER DECK DOOR EMERGENCY POWER RESERVOIR BATTERY DISCHARGED. DTW LINE MAINTENANCE REPLACED EMERGENCY POWER RESERVOIR BATTERY IAW MM 52-23-14 AND RETURNED AIRCRAFT TO SERVICE.
- Difficulty date
- February 25, 2006
- Submitted
- February 28, 2006
- Operation
- Air carrier
- Aircraft
- N661US
- Make and model
- Boeing 747451
- Aircraft serial
- 23719
- Aircraft time
- 69,760 hours, 9,370 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 90083
- Condition
- Discharged
- Location
- Emergency Lights
- Component part number
- 90083
- 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.