What was found
AIRCRAFT WAS NOT GROUNDED. WELS UNIT 4 SHOWS ACTIVE MESSAGE FOR DEGRADED BATTERY. REMOVED AND REPLACED WELS UNIT 4 BATTERY IAW AMM 33-51-07. MESSAGE WENT INACTIVE AND OPERATION CHECK NORMAL.
- Difficulty date
- November 14, 2016
- Submitted
- November 16, 2016
- Operation
- Air carrier
- Aircraft
- N802AN
- Make and model
- Boeing 7878
- Aircraft serial
- 40620
- Aircraft time
- 6,134 hours, 681 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 100260201
- Part serial
- STI4056573
- Condition
- Faulty
- Location
- Cabin
- 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.