# SDR S2YA960004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N891SK](https://openairdocs.org/aircraft/N891SK), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE89
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 1295500511
- Condition: Cracked
- Location: Lt Acm
- Part time: 4,818 hours
- 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/S2YA960004

## Discrepancy

DURING A SCHEDULED INSPECTION, MAINTENANCE FOUND BLEED AIR DUCT, P/N 129-550051-1, CRACKED ALL AROUND THE BASE OF THE ACM OVERTEMPERATURE SENSOR WELD FITTING.  THE PART WAS REPLACED.  SUBMITTER STATES,WE HAVE NOW HAD THREE OCCURENCES ON DIFFERENT AIRCRAFT, SAME MODEL.  (M)

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