# SDR DL72S000537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: N403DA
- Make and model: Boeing 727232
- Aircraft serial: 21147
- Aircraft time: 72,268 hours, 56,803 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Bulb
- Part number: 387
- Part serial: NONE
- Condition: Failed
- Location: Exit Sign
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72S000537

## Discrepancy

AFT LT OVERWING EMERGENCY LIGHT INOP.  FOUND SEVERAL BULBS INOP.  REPLACED BAD BULBS AFT LT OVERWING EMER EXIT SIGN, NOW CHECKS OK.  ONLY BULBS INOP WERE ONES THAT LIGHT SIGN AT ALL TIMES.

---
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.