# SDR DALA2023092607946

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2023
- Submitted: September 26, 2023
- Operation: Air carrier
- Aircraft: [N705TW](https://openairdocs.org/aircraft/N705TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28479
- Aircraft time: 94,586 hours, 23,679 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023092607946

## Discrepancy

SHIP OVERHEAD "EXIT" SIGN AT ROW 35 INOPERATIVE. CORRECTIVE ACTION T/S PER B757 WD 33-51-14, REMOVED AND REPLACED POWER SUPPLY BATTERY. REMOVED ANS REPLACED POWER SUPPLY (M10699), PUT BACK ORGINAL PWR SUPPLY AND BATTERY. CONFIRMED VOLTAGE AT SIGN. OPS NORMAL. (4571270)

---
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.