# SDR DLL14980391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N740DA
- Make and model: Lkheed 1011385115
- Aircraft serial: 193C1244
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Actuator
- Condition: Broken
- Location: Lt Aileron
- Component: 21770001DLM
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLL14980391

## Discrepancy

HYD SYS-A FLUID LEVEL DROPPED TO 1/4 DURING CRUISE FLT.  UNLATCHED ENG PUMP S/O SWITCH FOR HYD SYS-A AND FLUID LOSS STOPPED.  FOUND LT OUTBD ACTUATOR OF INBD AILERON BROKEN AND HYD LINE AT ACT BROKEN.  REPLACED SAME PER MM, ALL CKS OK.  CKD A-PUMP HYD FILTERS FOR METAL, ALL OK.

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