# SDR NOCA02510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2010
- Submitted: March 22, 2010
- Operation: Air carrier
- Aircraft: [N750NA](https://openairdocs.org/aircraft/N750NA), registered now
- Make and model: Boeing 757-28A
- Registry model: [Boeing 757-28A](https://openairdocs.org/model/boeing-757-28a) (OpenAirDocs)
- Aircraft serial: 26277
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Fitting
- Condition: Corroded
- Location: Fuselage
- 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/NOCA02510

## Discrepancy

AFT MID LAV, AFT IND LOWER CORNER HAS EVIDENCE OF CORROSION.  CLEANED LOWER AFT I/B CORNER OF MID LAV FOUND OUT OF LIMITS IAW B757 AMM 51-00-53.  REMOVED LOWER SUPPORT FITTING FROM MID LAV AFT LWR SIDE IAW B757 SRM 51-40-02.  REMOVED CORROSION FROM SUPPORT FITTINGS MID LAV AFT LWR SIDE PER B757 SRM 51-00-53.  FABRICATED FILLER AND V-CHANNEL DOUBLER USING S/S 301 1/2 .071 PO 7481237 AS PER EO 1-2010-39 CONTINUE STEP NR 1 AFTER CLEANING AREA FOUND CORROSION TO BE OUT OF LIMITS, TRIMMED OUT DAMAGED AREA AT FLANGE AS PER EO 1-2010-39 C/W NDT AT CUT-OUT AREA.  OK TO TREAT AND PRIME REPAIRED SUPPORT FILLING TREATED WITH ALODINE + PRIMER & PAINTED SUPPORT FITTING AREA AND REPAIR AS PER B757 FOR EO 1-2010-39 AND SRM 51-20-01.  INSTALLED REPAIRED SUPPORT FITTING AS PER B757 EA 1-2010-39, INSTALLED SUPPORT FITTING AT WALL OF MID LAV AS PER B757 SRM 51-40-02.

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