# SDR KCSA071046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2007
- Submitted: January 25, 2007
- Operation: Air carrier
- Aircraft: N704CK
- Make and model: Boeing 747209F
- Aircraft serial: 22299
- Aircraft time: 104,939 hours, 19,863 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Condition: Cracked
- Location: Nr 1 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/KCSA071046

## Discrepancy

NR 1 PYLON REAR ENGINE MOUNT BULKHEAD FRAME IS CRACKED 1 INCH, FORWARD SIDE, INBOARD & OUTBOARD OF PYLON UPPER SPAR CHORD AT NAC STA 221.9.

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