# SDR 96UAL900363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N321UA](https://openairdocs.org/aircraft/N321UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23953
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Wire
- Condition: Shorted
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A, F
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96UAL900363

## Discrepancy

APU FIRE WARNING DETECTOR INOP LIGHT ILLUMINATED IN CRUISE.  FIRE LIGHT ILLUMINATED AND BELL SOUNDED.  BLEW BOTTLE, LIGHT REMAINED ON.  *S/D*  FOUND WIRE IN APU FIRE WARNING HARNESS WITH TWO CUTS THAT WERE SHORTING.  REPLACED WIRE CHECKS 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.