# SDR 97ZZZX4435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N707AL](https://openairdocs.org/aircraft/N707AL), registered now
- Make and model: Skrsky S76
- Aircraft serial: 760189
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Suport
- Part number: 7607030019101
- Condition: Failed
- Location: Oil Filter
- 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/97ZZZX4435

## Discrepancy

DISCOVERED DURING DAILY INSPECTION, SUPPORT PN 76070-30019-101 (ALUMINUM) SECURING NR 1 EXTERNAL OIL FILTER HOUSING TO OIL COOLER COWLING FAILED FROM FATIGUE CRACK INDUCED BY NORMAL AIRCRAFT VIBRATIONS.  REPLACE ALUMINUM SUPPORT WITH ONE MADE OF STAINLESS STEEL.  NOTE:  THIS IS AN ACTIVE IN-HOUSE MODIFICATION CURRENTLY C/W ON 14 OF 17 GULF COAST S-76'S.

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