# SDR UIEA2019042604006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2019
- Submitted: April 27, 2019
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- Aircraft time: 84,611 hours, 13,595 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Bs 939-991
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019042604006

## Discrepancy

1 EA FASTENER HOLE FOUND CRACK IN SKIN AT STA 38R FROM 980 TO 990 DRAG SPLICE FTG AREAS.(<P>FUS-STA 939-991.5 STR 37R-39R FUS SKIN REPARIED AS PER SRM 53-20-01-2R-2 REPAIR 2, THIS REPAIR IS A CAT B REPAIR. SUPLEMENTAL INSPECTION IS REQUIRE AS PER SRM 53-20-01-2R-2 FIG 201 TABLE 3</P>)

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