# SDR YYFA20130604001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2013
- Submitted: June 5, 2013
- Operation: Air carrier
- Aircraft: N305FA
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49398
- Aircraft time: 59,999 hours, 34,152 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Unknown
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YYFA20130604001

## Discrepancy

RIGHT PACK UNABLE TO MAINTAIN CABIN.  DESCENDED TO 13,000 FROM 24,000: POWER SETTING : 1.3 EPR ALTITUDE 13,000 FT CABIN ALTITUDE: 9,100 FT.  PACK SUPPLY:  24 PSI SUPPLY TEMP FULL COLD AUTO AND MANUAL 65-74 CONTROLLER FULLY CLOSED: AUTO/MANUAL FLOW LIGHT ON BOTH CONTROLLERS 1 AND 2.

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