What was found
DURING LINE CHECK RT UPPER DECK DOOR EMERGENCY POWER RESERVOIR FAILED TEST. REPLACED EMERGENCY POWER SYSTEM BATTERY PER AMM 52-23-14. FUNCTION CHECK GOOD AND AIRCRAFT HAS RETURNED TO SERVICE.
- Difficulty date
- December 4, 2009
- Submitted
- December 7, 2009
- Operation
- Air carrier
- Aircraft
- N676NW
- Make and model
- Boeing 747451
- Aircraft serial
- 33002
- Aircraft time
- 34,636 hours, 4,439 cycles
- System (JASC)
- 5220 · Emergency Exits
- Part
- Battery
- Condition
- Discharged
- Location
- Emergency Exit
- 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.