# SDR UPS00433324

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 9, 2000
- Submitted: July 12, 2000
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 62,800 hours, 15,449 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- 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/UPS00433324

## Discrepancy

INSPECTION TYPE:C, MAIN DECK FUSELAGE MAIN FRAME IS CRACKED AT STRINGER CUTOUT AT BS 520 STR 25 RT.  REPAIR CARRIED OUT IAW QUERY NOTE 46/2000 AND SRM 51-40-02.  STOP DRILLED CRACKS AND INSTALLED REPAIR DOUBLERS  APPROVED 8110 ISSUED FOR  REPAIR.

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