# SDR 96ZZZM576

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N727DH](https://openairdocs.org/aircraft/N727DH), registered now
- Make and model: Boeing 727228
- Aircraft serial: 20404
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 1342.4-1345
- Part time: 45,615 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/96ZZZM576

## Discrepancy

DURING D-CHECK, LEFT HORIZONTAL RIB INNER CHORD AND ADJACENT SKIN IS CORRODED FROM BS 1342.4 TO BS 1345.  CUT OUT DAMAGED AREA OF SKIN 8 INCH BY 7 INCH .063, REMOVED FASTENERS, REMOVED CORROSION ON CHORD ANGLE, MATERIAL LOSS .004 AS PER SRM 51-10-6.  ALODINED AND PRIMED AS PER SRM 51-10-2.  INSTALLED WEB REPAIR AS PER SRM 51-40-2, MATERIAL USED 7075-T6 8 INCH BY 7 INCH .063 AND 7075-T6 .071 8 INCH BY 4 INCH WEB SPLICE.

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