# SDR NWAA070936717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2007
- Submitted: March 9, 2007
- Operation: Air carrier
- Aircraft: [N617US](https://openairdocs.org/aircraft/N617US), registered now
- Make and model: Boeing 747251F
- Aircraft serial: 21121
- Aircraft time: 104,256 hours, 25,573 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 2160-2180
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NWAA070936717

## Discrepancy

DURING "L" CHECK, FOUND CRACK IN STRINGER 46L, BS 2160-2180.  REPAIRED PER EA 67-208981.

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