What was found
DURING LINE CHECK, MAINTENANCE FOUND LEFT U/D DR. EMERGENCY BATTERY OK ANNUNCIATOR FAILED TEST. TPE MAINTENANCE REMOVED AND REPLACED BATTERY PACK. OPERATIONAL CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- May 9, 2006
- Submitted
- May 12, 2006
- Operation
- Air carrier
- Aircraft
- N663US
- Make and model
- Boeing 747451
- Aircraft serial
- 23818
- Aircraft time
- 72,451 hours, 9,463 cycles
- System (JASC)
- 5220 · Emergency Exits
- Part
- Battery Pack
- Condition
- No Test
- Location
- Emergency
- 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.