What was found
WHILE PERFORMING TASK CARD 78233001 EMERGENCY LIGHT TEST, FOUND BATTERY M1673 FAILED. GROUNDED-YES. REMOVED & REPLACED M1673 BATTERY. OPERATIONS CHECK GOOD, REF B737-900 AMM 35-51-06.
- Difficulty date
- December 20, 2020
- Submitted
- December 22, 2020
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 24,350 hours, 7,823 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- No Test
- Location
- Emergency Lights
- 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.