# SDR ABXA20221015114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2022
- Submitted: October 18, 2022
- Operation: Air carrier
- Aircraft: [N391CM](https://openairdocs.org/aircraft/N391CM), registered now
- Make and model: Boeing 767
- Registry model: [Boeing 767](https://openairdocs.org/model/boeing-767) (OpenAirDocs)
- Aircraft serial: 32973
- Aircraft time: 52,308 hours, 21,599 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: None
- Condition: None
- Stage of operation: TX
- How discovered: V
- Nature of condition: K
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20221015114

## Discrepancy

DURING AICRAFT PUSHBACK  A  HYDRAULIC LEAK WAS NOTICED OVER RIGHT MAIN GEAR. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE.  MAINTENANCE FOUND "O" RING LEAKING ON ANTISKID VALVE. MAINTENANCE  REMOVED AND REPLACED O-RING ON ANTISKID VALVE IAW AMM 20-10-19 LEAK CHECK GOOD. LEAK CODE 600-9-B. AIRCRAFT RETURNED TO SERVICE.

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