# SDR WRNA200800002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2007
- Submitted: January 15, 2008
- Operation: Air carrier
- Aircraft: [N526UP](https://openairdocs.org/aircraft/N526UP), registered now
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21937
- Aircraft time: 92,930 hours, 17,404 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/WRNA200800002

## Discrepancy

DURING B-CHECK INSPECTION, RIGHT FRAME AT STATION 2674.85 WAS FOUND CRACKED AT WL 325.  REMOVED DAMAGE SECTION OF FRAME, FABRICATED AND INSTALLED REPAIR DOUBLERS IAW 747 SRM 51-40-03 FIG 2.

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