# SDR USA950731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N337US](https://openairdocs.org/aircraft/N337US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23235
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- Location: Fwd Service Door
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USA950731

## Discrepancy

INT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION 1 INCH BY 12 INCHES FORWARD SERVICE DOOR THRESHOLD.  REPLACED Z-ANGLE.  CORROSION TASK NR C53-107-02.  CORROSION LEVEL 2.  (W)

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