# SDR UPS00433278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 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): [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/UPS00433278

## Discrepancy

INSPECTION TYPE:C, CONTROL CABIN FUSELAGE FRAME WEB IS CRACKED AT INNER FLANGE AT BS 360 STR 2A RT.  REPAIR CARRIED OUT IAW Q/NOTE 17 /2000 AND SRM 53-10-04 FIG 18.  STOP DRILLED CRACKS AND FABRICATED NEW REPAIR DOUBLERS ON NDT INSP CLEARANCE FITTED DOUBLERS.  APPROVED 8110 ISSUED FOR REPAIR.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.
