# SDR 2000ZZZX455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N421EX
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19099
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Bulb
- Part number: 308
- Condition: Failed
- Location: Smoke Detector
- Stage of operation: IN
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000ZZZX455

## Discrepancy

RIC/IND - FLT 712 - RIGHT BULB IN SMOKE DETECTOR INDICATOR IS OUT.  RELAMPED BULB.  (X)

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