# SDR GLBA20090606A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2009
- Submitted: June 11, 2009
- Operation: Air carrier
- Aircraft: [N255GL](https://openairdocs.org/aircraft/N255GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE255
- Aircraft time: 26,169 hours, 31,159 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Valve
- Part number: 129381000113
- Part serial: GWD07058MPJ
- Condition: Inoperative
- Location: Rt Precooler
- Stage of operation: TO
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA20090606A

## Discrepancy

PILOTS REPORTED THAT THE RT ENVIRO FAIL ANNUNCIATOR ILLUMINATED ON TAKEOFF ROLL. MX REMOVED AND REPLACED THE RT PRE-COOLER VALVE IAW MM 21-11-00. THE OPS CHECK WAS GOOD.

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