# SDR FDEA202105071145

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2021
- Submitted: May 25, 2021
- Operation: Air carrier
- Aircraft: [N883FD](https://openairdocs.org/aircraft/N883FD), registered now
- Make and model: Boeing 777FHT
- Registry model: [Boeing 777FHT](https://openairdocs.org/model/boeing-777fht) (OpenAirDocs)
- Aircraft serial: 39285
- Aircraft time: 41,371 hours, 6,506 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Part number: 140W9255Y408
- Condition: Damaged
- 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/FDEA202105071145

## Discrepancy

DURING PERFORMING EO EG-5310-EO332629K P5 STEP 11.P,FOUND 01EA ZLJ-8(BACB30NY8K*)   COUNTERSUNK FASTENER AT STA 998 STGR35L NEAR THE EDGE OF MACHINED STEP OF   DOUBLER P/N 143W2314Y405,AND WILL RESULT IN KNIFE EDGE WITH MACHINED STEP ON AFT   EDGE OF COUNTERSUNK HOLE. REPAIR CARRIED OUT TO 01EA ZLJ-8(BACB30NY8K*) COUNTERSUNK FASTENER AT STA998   STGR35L NEAR THE EDGE OF MACHINED STEP OF DOUBLER P/N: 143W2314Y405, AS PER EA: G-  5310-T0361432 PART1, STEP1, TITLE: FUSELAGE-MAINFRAME-LH AND RH UNDERWING   LONGERON   MODIFICATION PER EO G-5310-EO332629-DEVIATION TO SB 777-53-0087 REV.1. REPAIR   CLASSIFIED   AS MAJOR PER GMM6-2-100.

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