# SDR NWAA074066307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2007
- Submitted: December 17, 2007
- Operation: Air carrier
- Aircraft: N667US
- Make and model: Boeing 747451
- Aircraft serial: 24222
- Aircraft time: 76,610 hours, 9,342 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 500 S10l
- 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/NWAA074066307

## Discrepancy

DURING "M" CHECK WHILE ACCOMPLISHING BS 747-53A2484, FOUND CRACK IN STRINGER 10L AT BS 500.  REPAIRED PER EA 63-211355.

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