What was found
DURING CRUISE, THE EMERGENCY ESCAPE PATH LIGHTING WENT INTERMITTENTLY ON AND OFF. MAINTENANCE REPLACED D-ZONE BATTERY PACK AND POWER SUPPLY. OPERATIONAL CHECK NORMAL. P/N 60840017-7 AND 60840053-3.
- Difficulty date
- April 27, 2001
- Submitted
- May 11, 2001
- Operation
- Air carrier
- Aircraft
- N641NW
- Make and model
- Boeing 747212B
- Aircraft serial
- 21941
- Aircraft time
- 73,790 hours, 16,094 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Discharged
- Location
- Cabin
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.