# SDR UIEA2021060101222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2021
- Submitted: June 2, 2021
- 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: 92,184 hours
- System (JASC): [5532 · Vertical Stabilizer, Plate/Skin](https://openairdocs.org/jasc/5532)
- Part: Skin
- Condition: Dented
- Location: Vertical Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021060101222

## Discrepancy

DENT SKIN V STAB O/B SIDE EXTERNAL SURFACE(<P>CUT OUT THE DAMAGED AREA, RECORD THE CUTOUT AREA CDIA=1".</P><P>35" FROM FWD EDGE. 9.75" FROM LWR BOND THE REPAIR PARTS WITH FILM ADHESIVE CURE AT 250F FROM MINIMUM 90 MINUTES WITH MINIMUM VACUUM OF 20 IN/GH IAW 747-400F SRM 51-70-10-2R-0 REV.91.</P><P>CONDITION CHECK NORMAL.</P>)

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