# SDR AALA20170114004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2017
- Submitted: January 18, 2017
- Operation: Air carrier
- Aircraft: [N963TW](https://openairdocs.org/aircraft/N963TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53613
- Aircraft time: 49,699 hours, 24,224 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Hose
- Condition: Split
- Location: Zone 200
- Stage of operation: CL
- 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/AALA20170114004

## Discrepancy

AIRCRAFT WAS GROUNDED. ORD-TPA FLIGHT RETURNED TO ORD ACCOUNT UNABLE TO PRESSURIZE AT 5000 FEET. LANDING UNEVENTFUL. REMOVED AND REPLACED COOLING TURBINE OUTLET HOSE AND CLAMPS(AALA20170118011) IAW AMM 21-51-00. OPERATIONAL CHECK GOOD.

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