# SDR FDEA202011052776

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2020
- Submitted: December 3, 2020
- Operation: Air carrier
- Aircraft: [N728FD](https://openairdocs.org/aircraft/N728FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 581
- Aircraft time: 52,475 hours, 27,621 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: A5711031020200
- Condition: Cracked
- 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/FDEA202011052776

## Discrepancy

CENTER WING BOX FRONT SPAR VERTICAL STIFFENER AT Y1456 LOWER END CRACKED COMPLIED WITH EA: 6-5710-T0358000 P1.  EA TITLE: WINGS-BASIC WING STRUCTURE-  CWB FRONT SPAR VERTICAL STIFFENER CRACK AT FR 40, Y1456 LT SIDE-REPAIR.  REPAIRED THE CENTER WING BOX FRONT SPAR VERTICAL STIFFENER AT Y1456 LOWER END CRACK.  THIS IS CATEGORY B REPAIR.  FOLLOW UP INSPECTION, PER EA 6-5710-T0358000.  MAJOR REPAIR IAW FEDEX GMM6-2-100.

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