# SDR 0300906631

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2003
- Submitted: May 7, 2003
- Operation: Air carrier
- Aircraft: N631US
- Make and model: Boeing 747251B
- Aircraft serial: 23111
- Aircraft time: 74,493 hours, 10,961 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Fuselage
- 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/0300906631

## Discrepancy

DURING H-CHECK A CRACK WAS FOUND IN THE FRAME WEB AT BS 1265.  REPAIRED PER EA 66-193812.

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