# SDR 20000501SH043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 18, 2000
- Submitted: May 1, 2000
- Operation: Air carrier
- Make and model: Boeing 737*
- System (JASC): [2761 · Drag Control Actuator](https://openairdocs.org/jasc/2761)
- Part: Housing
- Part number: 654494715
- Condition: Cracked
- Location: Spoiler Actuator
- Component: Spoiler Lock Actuator, Boeing
- Component part number: 654485114
- 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/20000501SH043

## Discrepancy

HOUSING HAS A STRESS CRACK IN THE CYLINDER BORE.  POSSIBLE CAUSE:  OVERSTRESSED, WEAK POINT IN HOUSING FROM CASTING PROCESS AND/OR POSSIBLY HIGH HOURS ON THE UNIT.   (X)

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