# SDR 2007UALA05280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2007
- Submitted: December 26, 2007
- Operation: Air carrier
- Aircraft: [N120UA](https://openairdocs.org/aircraft/N120UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29166
- Aircraft time: 35,926 hours, 4,363 cycles
- Engine: Pwa PW4056
- System (JASC): [2621 · Fire Bottle, Fixed](https://openairdocs.org/jasc/2621)
- Part: Squib
- Part number: 309903889U1
- Condition: Failed
- Location: Fire Extinguish
- 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/2007UALA05280

## Discrepancy

CARGO FIRE EXT SYS TEST FAILED.  REPLACED SQUIB, BOTTLE B FWD SQUIB. PER MM26-23-02.SQUIB TEST NORMAL. AC OK FOR SERVICE.


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