# SDR UIEA2010072900129

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2010
- Submitted: August 5, 2010
- Operation: Air carrier
- Aircraft: [N498MC](https://openairdocs.org/aircraft/N498MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29259
- Aircraft time: 47,298 hours, 7,155 cycles
- Engine: Ge CF680
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Cracked
- Location: Bs 2231
- 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/UIEA2010072900129

## Discrepancy

DURING D-CHECK INSP OF DATUM ACFT, EGAT FOUND THE REVEAL DOUBLER CRACK ABOUT 2.5 INCHES AT MAIN ENTRY DOOR NR 5 NEAR STA 2231 BETWEEN S-21L AND 22L.  (REPAIR WAS ACCOMPLISHED IAW EGAT EI T2010A53B-1512 AND APPROVED BY MFG SR 1-1634841517 AND FAA 8100-9 DATED 04 AUG, 2010 (FIGURE 3).  IAW FORM 8100-9, THIS REPAIR IS CATEGORY B, AND NEEDS SUPPLEMENTAL INSPECTIONS AT 16000 TFC, WITH REPEAT INTERVALS 3000 FC.)

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