# SDR SWAA2023061445127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2023
- Submitted: June 14, 2023
- Operation: Air carrier
- Aircraft: [N7823A](https://openairdocs.org/aircraft/N7823A), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32749
- Aircraft time: 66,403 hours, 34,323 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zn 200 Fus Top
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023061445127

## Discrepancy

INOP LOWER SIDEWALL PANEL BTW BS 727C TO BS 727D POWER SUPPLY EMERGENCY LIGHT LT SIDE AT PASSENGER CABIN (1 EA) 2023-310186<[01] REPLACED EMERGENCY LIGHT POWER SUPPLY <BR>S/N REMOVED:2315<BR>S/N INSTALLED:31458<BR>IAW B737-700 AMM 33-51-06-960-806<BR>PERFORMED TEST: TEST OK;[02] CORRECTED STEP 1: REPLACED EMERGENCY LIGHT POWER SUPPLY <BR>S/N REMOVED:22818<BR>S/N INSTALLED:186642<BR>IAW B737-700 AMM 33-51-06-960-806 <BR>PERFORMED TEST: TEST OK;[03] CORRECTED STEP 1: REPLACED EMERGENCY LIGHT POWER SUPPLY<BR>S/N REMOVED:22818<BR>S/N INSTALLED:186642<BR>IAW B737-700 AMM 33-51-06-960-806 AND PERFORMED TEST OK

---
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.