# SDR AALA202303130105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N723AN](https://openairdocs.org/aircraft/N723AN), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 33125
- Aircraft time: 39,121 hours, 4,600 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: No Test
- Location: Zone 200 - Fuse
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202303130105

## Discrepancy

AIRCRAFT WAS GROUNDED: MULTIPLE EMERGENCY LIGHT BATTERY PACKS FAIL TO TEST. REMOVED AND REPLACED 13 (AALA202303131232), (AALA202303132932), (AALA202303139167), (AALA202303139561), (AALA202303131891), (AALA202303135783), (AALA202303135712), (AALA202303137201), (AALA202303134207) , (AALA202303132633), (AALA202303132455), (AALA202303134917),  (AALA202303130105) AFFECTED EMERGENCY LIGHTS PACKS PER AMM 33-51-06.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.