# SDR UIEA2012070500303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2012
- Submitted: July 5, 2012
- Operation: Air carrier
- Aircraft: N497MC
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29258
- Aircraft time: 56,974 hours, 8,844 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Cracked
- Location: Bs 740
- 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/UIEA2012070500303

## Discrepancy

LT SIDE BS740 TENSION TIE AREA 1 EA FASTENER HOLE CRACK AT FWD CHANNEL RUNNING UPWARD APPROX 0.040" IN LENGTH.  FWD CHANNEL REPAIRED IAW SRM 53-20-30-2R-1, REPAIR 1, FIG 201.

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