# SDR AALA201901179001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2019
- Submitted: January 17, 2019
- Operation: Air carrier
- Aircraft: N390AA
- Make and model: Boeing 767323
- Aircraft serial: 27450
- Aircraft time: 95,062 hours, 15,397 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Condition: Leaking
- Location: Flap Slat
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201901179001

## Discrepancy

CENTER HYDRAULIC LEAK SUBSEQUENT LOW HYDRAULIC PRESSURE, FOLLOWED BY CENTER SYSTEM FAILURE.   THE AIRCRAFT WAS GROUNDED.  MAINTENANCE FOUND HEAVY LEAK AT FLAP/SLAP SHUTOFF VALVE MODULE AND REPLACED FLAP/SLAT MODULE PER AMM 27-51-48. MAINTENANCE PERFORMED SATISFACTORY OPERATIONAL CHECK. NO LEAKS NOTED.

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