# SDR KCSA201304220055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2013
- Submitted: April 24, 2013
- Operation: Air carrier
- Aircraft: [N715CK](https://openairdocs.org/aircraft/N715CK), registered now
- Make and model: Boeing 747209B
- Aircraft serial: 22447
- Aircraft time: 97,154 hours, 23,022 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Condition: Cracked
- Location: Nr 3 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/KCSA201304220055

## Discrepancy

NR 3 PYLON STA 221.9 I/B REAR ENGINE MOUNT BULKHEAD FRAME IS CRACKED AT UPPER END .5".

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