# SDR ABXA20231012200

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N371CM](https://openairdocs.org/aircraft/N371CM), registered now
- Make and model: Boeing 767383
- Aircraft serial: 25577
- Aircraft time: 88,591 hours, 30,476 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Part number: 143T82041
- Part serial: NSN
- Condition: Corroded
- Location: Zone 100
- Part time: 88,951 hours, 30,476 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20231012200

## Discrepancy

DURING C18 CHECK AT AIRBORNE TAMPA   EXFOLIATION WAS FOUND ON N371CM AT FWD DOOR CUTOUT LO??ER SILL INNER CHORD PIN 143T8204-L APPROX. AT STA 544. THE CORROSION WAS REMOVED PER 767-300 S·RM 51-10-02, GRID MAP WITH UT ACCOMPLISHED SEE FIGURE 1. THE MINIMUM DEEPEST POINT IS .096". THE DAMAGE IS OUT OF LIMITS PER 767-300 SRM 53-00-15 ALLOWABLE DAMAGE 1. BOEING WAS CONTACTED VIA SR 4-5876205052 WITH REPAIR PROPOSAL, AND PERMANENT REPAIR INSTRUCTIONS WERE APPROVED. AIRCRAFT TYPE MODEL: 767-338ER, TC: 30,476 &TH: 88,591:1  REPAIRED IAW ABX-REA-5331-65144-00.

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