# SDR DALA13012106305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2013
- Submitted: March 18, 2013
- Operation: Air carrier
- Aircraft: [N665US](https://openairdocs.org/aircraft/N665US), registered now
- Make and model: Boeing 747451
- Aircraft serial: 23820
- Aircraft time: 99,326 hours, 12,362 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Cracked
- Location: Bs 1160
- 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/DALA13012106305

## Discrepancy

ONE CRACK FOUND IN THE TENSION TIE FORWARD CHANNEL AT BS 1160,  CRACK LENGTH IS ABOUT 2MM.   THE TENSION TIE FORWARD CHANNEL REPAIRED IAW SRM 53-40-30, REPAIR 2, FIG 201.

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