# SDR KCSA081406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: [N709CK](https://openairdocs.org/aircraft/N709CK), registered now
- Make and model: Boeing 747132
- Aircraft serial: 20247
- Aircraft time: 102,160 hours, 28,641 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Stiffener
- Condition: Cracked
- Location: Firewall
- 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/KCSA081406

## Discrepancy

OUTBOARD STIFFENER ON FIREWALL CRACKED AT PNEUMATIC DUCT CLAMP ATTACH POINT.  (S)

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