# SDR SCNA00308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2000
- Submitted: May 23, 2000
- Operation: Air carrier
- Aircraft: [N290SC](https://openairdocs.org/aircraft/N290SC), registered now
- Make and model: Boeing 727-2J4
- Registry model: [Boeing 727-2J4](https://openairdocs.org/model/boeing-727-2j4) (OpenAirDocs)
- Aircraft serial: 20764
- Aircraft time: 72,343 hours, 25,368 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Cockpit
- 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/SCNA00308

## Discrepancy

DURING HEAVY MAINTENANCE INSPECTION, FOUND CORROSION OUT OF LIMITS IN COCKPIT RT BS 221.8 FRAME.  REMOVED CORROSION IAW B727 SRM 51-10-06.  FABRICATED REPAIR DOUBLER FROM 7075 T6 .063 IAW B727 SRM 51-40-02.  TREATED AND PRIMED IAW B727 SRM 51-10-02, MM 51-20-02.  INSTALLED IAW B727 SRM 51-40-02, 51-30-02.

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