# SDR UALA2010021600592

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2010
- Submitted: February 18, 2010
- Operation: Air carrier
- Aircraft: N555UA
- Make and model: Boeing 757222
- Aircraft serial: 26647
- Aircraft time: 62,377 hours, 19,459 cycles
- Engine: Pwa PW2037
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 2156604A
- Condition: Failed
- Location: Aft Cargo
- 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/UALA2010021600592

## Discrepancy

AFT CARGO SMOKE DETECTION TEST NOT RESPONDING.  AFTER REPLACING FIRE CARD M10427 AND PERFORMING SMOKE TEST EICAS INDICATES (FWD DET 1 AND AFT DET 2) FAILED.  REPLACED AFT SMOKE DETECTOR 2.  CHECKS GOOD.

---
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.