# SDR CALA2023032200820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2023
- Submitted: March 22, 2023
- Operation: Air carrier
- Aircraft: [N14242](https://openairdocs.org/aircraft/N14242), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 28805
- Aircraft time: 72,107 hours, 26,258 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: D71701100
- Part serial: 409755
- Condition: Inoperative
- Location: M1673
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023032200820

## Discrepancy

L2 DOOR EXIT SIGN INOP (REF. AAR NR 99960646) REPLACED L2 DOOR EXIT SIGN AND BATTERY PACK M1673 IAW B737 AMM33-51-01-960-801 & 33-51-06-960-805, TEST GOOD (WORKACCOMPLISHED BY V936916 AND AAR QC A-78 V768499) SDR#1031695

---
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.