# SDR KCSA2025040831813

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2025
- Submitted: April 8, 2025
- Operation: Air carrier
- Aircraft: [N705CK](https://openairdocs.org/aircraft/N705CK), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 26413
- Aircraft time: 86,735 hours, 14,930 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 3
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2025040831813

## Discrepancy

100233442 - SMOKE CREW REST ENGINE-INDICATING AND CREW-ALERTING SYSTEM ON TAKE OFF AT APPROXIMATELY 1600. WET SOCK SMELL. SELF CORRECTED. PERFORMED FIRE TEST AND CREST SMOKE DETECTORS SELF TEST. ALL PASS IAW B747 AMM 26-13-00. PERFORMED CONDITIONAL INSPECTION FOR SMOKE AND FUMES IN COCKPIT IAW B747 AMM 05-51-56. CLEARED WATER FROM PACK 3 DUCT IAW B747 AMM 21-00-01. NO FURTHER DEFECTS NOTED.

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