# SDR USAABB00021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2000
- Submitted: April 25, 2000
- Operation: Air carrier
- Aircraft: [N647US](https://openairdocs.org/aircraft/N647US), registered now
- Make and model: Boeing 767201
- Aircraft serial: 23899
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20121
- Condition: Inoperative
- Location: Cabin
- 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/USAABB00021

## Discrepancy

CDG - FORWARD AND AFT EXIT DOOR THRESHOLD EMERGENCY LIGHTS WERE INOPERATIVE.  MAINTENANCE SWAPPED POWER SUPPLIES M1208 AND 1210 WITH M735 AND M739, FERRIED THE AIRCRAFT, THEN REPLACED THE POWER SUPPLIES.  (M)

---
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.