# SDR BLUA2012F00027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2011
- Submitted: December 7, 2011
- Operation: Air carrier
- Aircraft: N53MS
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK64
- Aircraft time: 7,219 hours, 6,983 cycles
- Engine: Pwa JT15D4
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Line
- Condition: Leaking
- Location: Acm
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BLUA2012F00027

## Discrepancy

CABIN LOW PRESSURE LIGHT ILLUMINATED AT ALTITUDE.  REPAIRED NUMEROUS LEAKS IN ACM AND BLEED SOURCE LINES REPLACED 3 BLEED SOURCE CHECK VALVES, OPS CHECKED PRESSURIZATION CONTROL SYSTEMS.

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