# SDR IPXA2018092874449

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2018
- Submitted: September 28, 2018
- Operation: Air carrier
- Aircraft: [N583UP](https://openairdocs.org/aircraft/N583UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25867
- Aircraft time: 116,253 hours, 19,596 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Tee Fitting
- Part number: 311U242082
- Condition: Cracked
- Location: Nr 2 Nacelle
- 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/IPXA2018092874449

## Discrepancy

CRACK FOUND ON THE NR 2 PYLON TEE FITTING,  NAC STA 377.6.  REPAIR IAW SRID 3-4318687981, AND EO B747-5410-70064-A.

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