# SDR CA111019020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2011
- Submitted: January 23, 2013
- Operation: Air carrier
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft time: 8,001 hours
- Engine: Pwa PT6A67D
- Propeller: Hartzl HCE4A3I
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: 7654301
- Condition: Damaged
- Location: Acm
- Part time: 9,211 hours
- Component: Acm, Hmltnsnstrnd, 7756355
- 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/CA111019020

## Discrepancy

(CAN) DURING RE-INSTALL OF THE HEAT EXCHANGER, AFTER CLEANING, NOTICED THAT THE FAN BLADES OF THE ACM WERE DAMAGED.  A FUTHER INVESTIGATION FOUND THAT THE BLADES ALSO DAMAGED THE CASE AND THERE WAS PLAY IN SUPPORT BEARING. REF CMM 21-51-33, FIG ITEM 59.

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