# SDR QMLA2015081515074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2015
- Submitted: August 20, 2015
- Operation: Air carrier
- Aircraft: [N261AM](https://openairdocs.org/aircraft/N261AM), registered now
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0734
- Aircraft time: 2,143 hours, 7,013 cycles
- Engine: Pwa PW206B2
- Engine time: 3,386 hours, 601 cycles
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Fan
- Condition: Unserviceable
- Location: Oil Cooler
- Part time: 2,143 hours, 7,013 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2015081515074

## Discrepancy

HIGH ENG OIL TEMP ON BOTH ENGS.  TROUBLE SHOT BY INSPECTION OF OIL COOLERS, BYPASS VLVS & ENG OIL INDICATING TEMP PROBES.  REMOVED OIL COOLERS FOR CLEANING PROCEDURE IAW AMM 79-22-00.  WHEN THE BLOWER BAN WAS REMOVED FROM NR 2 SIDE IT WAS DISCOVERED THE BLOWER SHAFT WAS SHEARED.  REMOVED & INSPECTED NR 1 BLOWER FAN & DISCOVERED THIS SHAFT HAD SHEARED AS WELL.  INSPECTED TRANSMISSION OIL FILTER FOR DEBRIS, NO DEFECTS NOTED.  INSPECTED CHIP DETECTOR, NO DEFECTS NOTED.  FAN PNS LT L792M3005105 2143+38 TIS RT L972M3004105 2143+38 TIS.

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