# SDR UPS00432527

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2000
- Submitted: May 11, 2000
- Operation: Air carrier
- Aircraft: N520UP
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21943
- Aircraft time: 66,582 hours, 15,080 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 20240063
- 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/UPS00432527

## Discrepancy

INSPECTION TYPE:C 44, UPPER DECK, FUSELAGE FRAME WEB IS CRACKED AT BS 360 BETWEEN STR 4 AND 5 LT.  REPAIR CARRIED OUT IAW SRM 53-10-04 FIG 8 AND APPROVED 8110-3 REPAIR.  ALL ACTIVE CRACK TIPS WERE ELIMINATED BY STOP DRILLING.  A REINFORCING DOUBLER WAS INSTALLED.

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