# SDR CALA2014010290023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2014
- Submitted: January 3, 2014
- Operation: Air carrier
- Aircraft: [N772UA](https://openairdocs.org/aircraft/N772UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26930
- Aircraft time: 73,407 hours, 13,052 cycles
- Engine: Pwa PW4077
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Test Switch
- Condition: Defective
- 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/CALA2014010290023

## Discrepancy

INOPERATIVE ON FIRE TEST.  NO TEST IN PROGRESS OR TEST PASS OR FAIL MESSAGE DURING TESTING.  FOUND S3 FIRE TEST SWITCH BAD.  REPLACED SWITCH, TESTED NORMAL.

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