# SDR UPS02439055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2002
- Submitted: August 14, 2002
- 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: 79,834 hours, 15,049 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/UPS02439055

## Discrepancy

INSPECTION TYPE:C RIGHT BS 1480 BULKHEAD NR 3 HOLE CRACK FOUND AT BULKHEAD CHORD, APPROX .0625 INCH LONG, RUNNING FWD STR 33R TO 34R.  RIGHT BS 1480 BULKHEAD NR 3 HOLE AT BULKHEAD CHORD REAMED AND BUSHING INSTALLED AS PER SB 747-53A2390.

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