# SDR 96ZZZM798

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N221US](https://openairdocs.org/aircraft/N221US), registered now
- Make and model: Boeing 737-2H5
- Registry model: [Boeing 737-2H5](https://openairdocs.org/model/boeing-737-2h5) (OpenAirDocs)
- Aircraft serial: 20454
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- Location: Fs 727
- Part time: 58,141 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/96ZZZM798

## Discrepancy

CLT - INSPECTION FOUND 2 PREVIOUSLY INSTALLED DOUBLERS WITH BLIND FASTENERS LOCATED AT FUSELGE SKIN, FS 727A AT STRINGER 15R AND 16R.  INSTALLED EXTERNAL DOUBLER AS PER BOEING SRM 53-30-3 FIG 6 AND USAIR EA NR 24906.  (M)

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