What was found
EMERGENCY LIGHTING SYSTEM OPERATIONAL CHECK. RT AFT LWR EXTERIOR EMEGENCY LIGHT INOP. REPLACED M1670 BATTERY PACK POWER SUPPLY REF AMM 33-51-06. OPS CHECK GOOD AT THIS TIME.
- Difficulty date
- July 31, 2025
- Submitted
- July 31, 2025
- Operation
- Air carrier
- Aircraft
- N27722
- Make and model
- Boeing 737724
- Aircraft serial
- 28789
- Aircraft time
- 82,106 hours, 29,960 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- Discharged
- Location
- Zone 200
- 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.