# SDR UIEA2022021600141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2022
- Submitted: February 25, 2022
- Operation: Air carrier
- Aircraft: [N850GT](https://openairdocs.org/aircraft/N850GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37570
- Aircraft time: 39,118 hours, 7,610 cycles
- System (JASC): [5741 · Wing, Fuselage Attach Fittings](https://openairdocs.org/jasc/5741)
- Part: Vapor Barrier
- Condition: Cracked
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022021600141

## Discrepancy

#4 PYLON TO WING L/E CAVITY, VAPOR BARRIER PANEL FOUND CRACKED AT I/B CORNER.(<P>PERFORM A DVI OF THE REPAIR AREA TO MAKE SURE THERE IS NO OTHER DAMAGE. SEAL THE PANEL AFFECTED FLANGE UPPER SURFACE WITH BMS5-95 SEALANT APPLIED IN A STRIP 0.25" EITHER SIDE OF THE REPORTED CRACK AS PER RI-57-41-15398 REV A</P>)

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