What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT BATTERY M33093 FAILS OPS CHECK. REPLACED BATTERY M33093 WITH SERVICEABLE UNIT IAW B777-2 AMM 33-51-06-960-802, OPS CHECK GOOD.
- Difficulty date
- October 16, 2021
- Submitted
- October 21, 2021
- Operation
- Air carrier
- Aircraft
- N791AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30254
- Aircraft time
- 80,585 hours, 10,479 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71702001
- Part serial
- 152718
- Condition
- Failed
- Location
- Zone 200 - Fuse
- 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.