What was found
DURING EMERGENCY LIGHT TEST FOUND BATTERY PACK POS M1670 DEFECTIVE.<[01] REPLACED BATTERY PACK POS M1670 S/N 1536 OFF WITH BATTERY PACK S/N WN1766 ON AS PER REF AMM 33-51-06-960-805. OPERATION TESTED NORMAL.;[02] VERIFIED STEP#1
- Difficulty date
- February 20, 2023
- Submitted
- February 28, 2023
- Operation
- Air carrier
- Aircraft
- N558WN
- Make and model
- Boeing 73773V
- Aircraft serial
- 30248
- Aircraft time
- 61,562 hours, 39,157 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part serial
- 1536
- Condition
- Defective
- Location
- Zn 200 Fus Top
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.