What was found
EMERGENCY EXIT SIGN ILLUMINATES FOR A FEW SECONDS THEN EXTINGUISHES UPPER DECK TOP OF STAIRS. REPLACED BATTERY PACK. OPS NORMAL.
- Difficulty date
- May 5, 2009
- Submitted
- May 8, 2009
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 75,187 hours, 8,429 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 582233
- Condition
- Discharged
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.