# SDR USAA980636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N506AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23381
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill
- Part number: 654587545
- Condition: Corroded
- Location: Bs 280-350
- Part time: 39,718 hours
- 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/USAA980636

## Discrepancy

CLT - DURING A Q-3 CHECK VISUAL INSPECTION, FOUND CORROSION 2 INCH BY 70 INCH ALONG FORWARD SERVICE DOOR 'Z' ANGLE LOWER SILL INBOARD CHORD ANGLE AT BS 280-350 RBL 35.  CORROSION TASK NR C53-107-01.  REPLACED PART PER BOEING 737-300 SRM 51-40-02 AND 51-20-05.  (M)

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