# SDR FDEA202207141718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N863FD](https://openairdocs.org/aircraft/N863FD), registered now
- Make and model: Boeing 777-FS2
- Registry model: [Boeing 777-FS2](https://openairdocs.org/model/boeing-777-fs2) (OpenAirDocs)
- Aircraft serial: 37734
- Aircraft time: 40,766 hours, 6,588 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Doubler
- Part number: 143W2314Y406
- Condition: None
- 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/FDEA202207141718

## Discrepancy

DURING PERFORMING EO G-5710-E0365655 P8 STEP8.C.(5), FOUND 01EA ZLJ-8(BACB30NY8K*)   COUNTERSUNK FASTENER AT STA998 STGR35 RHS TOO CLOSE TO EDGE OF MACHINED STEP   OF DOUBLER P/N 143W2314Y406, AND WILL RESULT IN KNIFE EDGE WITH MACHINED STEP ON   AFT EDGE OF COUNTERSUNK HOLE. THE COUNTERSUNK FASTENER TOO CLOSE TO EDGE OF MACHINED STEP OF DOUBLER   REPAIRED AS PER EA G-5310-T0369496 P2 STEP 1,TITLE:FUSELAGE-MAINFRAME-LH AND RH   UNDERWING LONGERON MODIFICATION PER EO G-5710-E0365655-DEVIATIONS TO SB777-  57A0122 RB .REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.REFER TO WRI :53100828 FOR   WORK DETAILS.

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