# SDR UPS02439047

- 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Condition: Cracked
- Location: Bs1480
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS02439047

## Discrepancy

INSPECTION TYPE:C LH BS 1480 B/H HOLE #15 CRACK FOUND AT SPLICE PLATE RUNNING UP & DOWN, BOTH CRACKS APPROX 0.020", REFER ATTACH SKETCH.     LH B/H BOLT HOLE #15 REAMED TO 0.500" AS PER SB 747-53A2390 FIG.11 CRACK TEST DONE NO CRACK FOUND AS PER NTM PT6 51-00-00 FIG 4 AND BUSHING INSTALLED AS PER SB 747-53A2390 R1

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