# SDR UIEA2019080234823

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 2, 2019
- Operation: Air carrier
- Aircraft: [N446MC](https://openairdocs.org/aircraft/N446MC), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 33517
- Aircraft time: 65,195 hours, 11,381 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Structure
- Condition: Damaged
- Location: Bs 1840-1920
- 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/UIEA2019080234823

## Discrepancy

M/D STA 1840-1920 LBL 90" BALL MAT AREA (1EA) BALL UNIT CUTOUT FOUND DAMAGED.(<P>THE SUBJECT BALL MAT TOP SKIN & BALL UNIT CUTOUT LIP REPAIR CARRIED OUT IAW <SPAN>EO 4425A500 REV 1</SPAN><SPAN>.</SPAN></P>)

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