# SDR ABXA20251005251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2025
- Submitted: October 6, 2025
- Operation: Air carrier
- Aircraft: [N764CK](https://openairdocs.org/aircraft/N764CK), registered now
- Make and model: Boeing 767-3P6
- Registry model: [Boeing 767-3P6](https://openairdocs.org/model/boeing-767-3p6) (OpenAirDocs)
- Aircraft serial: 26234
- Aircraft time: 88,958 hours, 27,797 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Zone 100
- 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/ABXA20251005251

## Discrepancy

WHILE 764CK WAS UNDERGOING C 4 -CHECK IN OSC, CORROSION WAS FOUND ON THE INNER SURFACE OF THE INNER SKIN AT STA 1177 ALONG THE S-36L LAP JOINT.  SEE FIGURE 1.  THE CORROSION WAS REMOVED BY BLENDING AND THE BLEND WAS BEYOND THE ALLOWABLE LIMIT GIVEN IN B767 SRM 53-00-01, AD1, FIG 101.  SINCE THIS DAMAGE IS UNDER THE WING-TO-BODY FAIRING, THERE IS NO REPAIR GIVEN FOR IT IN THE SRM.  FLIGHT VEHICLES CONSULTING, INC. WAS CONTACTED FOR AN FAA-DER APPROVED REPAIR.  THE PURPOSE OF THIS REA IS TO AUTHORIZE AND DOCUMENT ACCOMPLISHMENT OF FVCI EO 25166-3, WHICH IS AN FAA-DER APPROVED REPAIR.COMPLIED WITH  ABX-REA-5365-65899-00 AND   FVCI EO 25166-3.

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