# SDR NWAA071456306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2007
- Submitted: April 23, 2007
- Operation: Air carrier
- Aircraft: N666US
- Make and model: Boeing 747451
- Aircraft serial: 23821
- Aircraft time: 74,899 hours, 9,354 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 1265 S26l
- 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/NWAA071456306

## Discrepancy

DURING "M" CHECK, FOUND CRACK IN FRAME WEB HOLE AT BS 1265 S26L. ACCOMPLISHED INTERIM REPAIR PER EA 63-208916 SECTION I.  REPETITIVE INSPECTIONS TO BE ACCOMPLISHED PER SECT II EVERY 2000 CYCLES.  SECTION III PERMANENT REPAIR TO BE ACCOMPLISHED BASED ON SECTION II INSPECTION FINDINGS.

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