# SDR NWAA070756309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2008
- Submitted: March 3, 2008
- Operation: Air carrier
- Aircraft: N669US
- Make and model: Boeing 747451
- Aircraft serial: 24224
- Aircraft time: 76,429 hours, 9,342 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 460 S10r
- 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/NWAA070756309

## Discrepancy

DURING "M" CHECK, FOUND CRACKS IN STRINGER 10R AT BS 460.  REPAIRED PER EA 63-212199.

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