# SDR NWAA070806305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2007
- Submitted: March 7, 2007
- Operation: Air carrier
- Aircraft: [N665US](https://openairdocs.org/aircraft/N665US), registered now
- Make and model: Boeing 747451
- Aircraft serial: 23820
- Aircraft time: 75,058 hours, 9,319 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Fuselage
- 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/NWAA070806305

## Discrepancy

DURING "M" CHECK, FOUND CRACK ON THE BS 1256 FRAME WEB AT STRINGER 26R. INTERIM REPAIR WAS ACCOMPLISHED PER SECTION I OF EA 63-208895.  REPETITIVE INSPECTIONS PER SECTION II TO BE ACCOMPLISHED EVERY 2000 CYCLES.  SECTION III WILL BE BASED ON SECTION II FINDINGS.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
