# SDR ZW0A0103002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2001
- Submitted: June 7, 2001
- Operation: Air carrier
- Aircraft: [N907TW](https://openairdocs.org/aircraft/N907TW), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49165
- Aircraft time: 55,407 hours, 28,731 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Mount
- Condition: Damaged
- Location: Outflow Valve
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZW0A0103002

## Discrepancy

DURING CHECK-C MAINT FOUND BULGE IN FUSELAGE SKIN AND RIVET HEAD POPPING ABOVE LONGERON 22, BETWEEN OUTFLOW VALVE AND AFT LAV DUMP.  INSTALLED NEW OUTFLOW MOUNT RING PER SPM 5-20-01 AND SRM 51-30-02.

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