What was found
EMERGENCY LIGHTS BATTERY PACKS M5055 AND M5057 CAPACITY CHECK FAIL(<P>EMERGENCY LIGHTS BATTERY PACKS M5055 AND M5057 REPLACED PER AMM 33-11-00. OPS CHK GOOD. </P> / <P>SN 55565 & 33111</P>)
- Difficulty date
- June 12, 2024
- Submitted
- June 14, 2024
- Operation
- Air carrier
- Aircraft
- N473MC
- Make and model
- Boeing 74745E
- Aircraft serial
- 27174
- Aircraft time
- 117,035 hours, 21,085 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 20121
- Part serial
- 55565
- 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.