# SDR GLBA20090326A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2009
- Submitted: March 27, 2009
- Operation: Air carrier
- Aircraft: [N220GL](https://openairdocs.org/aircraft/N220GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE220
- Aircraft time: 27,188 hours, 32,964 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Circuit Board
- Condition: Malfunctioned
- Location: Annunciator
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20090326A

## Discrepancy

PILOTS REPORTED A LEFT HAND FIRE LOOP ANNUNCIATOR REPEATEDLY TRIPPED IN FLIGHT. ALSO STARTED TRIPPING LEFT HAND T-HANDLE AND MASTER WARNING ANNUNCIATOR (FLASHES).  MAINTENANCE RE-RACKED THE FIRE EXTINGUISHING MONITOR PRINTED CIRCUIT BOARD P173. OPERATIONAL CHECKS WERE GOOD PER BMM 26-10-01-101.

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