# SDR 95ZZZW771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N853FT
- Make and model: Boeing 747122
- Aircraft serial: 19753
- System (JASC): [5400 · Nacelle/Pylon Structure](https://openairdocs.org/jasc/5400)
- Part: Doubler
- Condition: Cracked
- Location: Nac Sta 180
- Part time: 69,304 hours
- 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/95ZZZW771

## Discrepancy

ON B-CHECK INSPECTION, FOUND CRACK IN DOUBLER PLATE NACELLE STATION 180, ON 4 PYLON INBOARD.  INSTALLED REPAIR DOUBLER IAW SERVICE BULLETIN 54-2034 REV 4.  TOTAL CYCLES 18,040.

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