# SDR P5CA9600844

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N858FT](https://openairdocs.org/aircraft/N858FT), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20109
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Duct
- Part number: 65B409321
- Condition: Cracked
- Location: Nr 3 Pack
- 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/P5CA9600844

## Discrepancy

CRACKED DUCT AT NR 3 PACK SECONDARY HEAT EXCHANGER AT SEAL RETAINER.  REPLACED DUCT PER BOEING MAINTENANCE MANUAL 21-51-06.

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