# SDR GLBA2001070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2001
- Submitted: April 3, 2001
- Operation: Air carrier
- Aircraft: [N261GL](https://openairdocs.org/aircraft/N261GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE261
- Aircraft time: 10,355 hours, 13,766 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Bypass Valve
- Part number: 9938001001
- Part serial: 1085
- Condition: Inoperative
- Location: Rt Acm
- Part time: 10,793 hours, 14,660 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA2001070

## Discrepancy

CABIN HEAT NOT WORKING.  REMOVED AND REPLACED ACM BYPASS VALVE, OPS CHECKED GOOD.

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