# SDR UPS05445807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2005
- Submitted: November 21, 2005
- Operation: Air carrier
- Aircraft: N521UP
- Make and model: Boeing 747-200
- Registry model: [Boeing 747-200](https://openairdocs.org/model/boeing-747-200) (OpenAirDocs)
- Aircraft serial: 21944
- Aircraft time: 76,199 hours, 18,102 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Thrust Link
- Part number: 65B903604
- Condition: Cracked
- Location: Nr 3 Pylon
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS05445807

## Discrepancy

INSPECTION TYPE:AD CRACK INDICATION REVEALED ON NR 3 PYLON THRUST LINK FWD LUG LOWER SURFACE BY APPROX 60 PERCENT FSH.  NR 3 ENG THRUST LINK REPLACED AND AFT MOUNT BOLT REPLACED AS PER AMM 71-21-03.

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