# SDR 20010430AP004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2001
- Submitted: April 26, 2001
- Operation: Air carrier
- Aircraft: N7638U
- Make and model: Boeing 727222
- Aircraft serial: 19911
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Switch
- Condition: Damaged
- Location: Fire Detection
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010430AP004

## Discrepancy

FLT 19, POSITIONED ON LRD DURING ENGINE AND FIREWALL FIRE TEST THE FIRE HORN JUST CHIRPS.  REMOVED AND REPLACED FIRE WARNING BELL CUT OUT SWITCH.  SYSTEM OPERATES NORMAL.  (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.