# SDR UIEA2011072600453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2011
- Submitted: August 11, 2011
- Operation: Air carrier
- Aircraft: N524MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21784
- Aircraft time: 105,635 hours, 21,872 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Frame
- Condition: Cracked
- Location: Bs 380 S18r
- 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/UIEA2011072600453

## Discrepancy

RT BS 380, STR 18R FRAME OTBD FLANGE FOUND CRACKED AT RT BS 38 BETWEEN STR 17R AND STR 18R, FRAME REPAIRED IAW 53-23-37165, REV A.

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