# SDR 2006UALA02348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2006
- Submitted: December 13, 2006
- Operation: Air carrier
- Aircraft: N313UA
- Make and model: Boeing 737322
- Aircraft serial: 23674
- Aircraft time: 55,460 hours, 30,185 cycles
- Engine: Ge CFM56*
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Seal
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: CL
- 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/2006UALA02348

## Discrepancy

AIRCRAFT WOULD NOT PRESSURIZE DURING ASCENT.  FOUND APU PNEUMATIC DUCT FOWARD PRESSURE SEAL NOT SECURED (CLAMP OFF).  SECURED PRESSURE SEAL.

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