# SDR UPS01436077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2001
- Submitted: June 15, 2001
- Operation: Air carrier
- Aircraft: N674UP
- Make and model: Boeing 747123
- Aircraft serial: 20100
- Aircraft time: 74,753 hours, 20,928 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Fastener
- Condition: Cracked
- Location: Nr 4 Pylon
- 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/UPS01436077

## Discrepancy

INSPECTION TYPE:C NR 4 PYLON ATTACH FITTING TAPER LOCK FASTENER FOUND 4EA CRACKED. REF ATTACHED SKETCH.     LOCKS REPLACED AS PER EO 747-5740-12227-A.

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