# SDR ABXA20260302081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2026
- Submitted: March 5, 2026
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 93,755 hours, 15,915 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Condition: Faulted
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260302081

## Discrepancy

C HYD PRIM 1 EICAS MESSAGE DURING PUSHBACK AND AC RETURNED TO GATE (BTB), MTX GROUNDED AC AND BEGAN TROUBLESHOOTING.  PERFORMED T/S IAW FIM 29-11 FT 810. FOUND THE TIME DELAY M303 FAULTY.  REPLACED TIME DELAY MODULES M303 AND M304 IAW WDM 29-11-31.  CENTER HYD SYSTEM OPS CHECK GOOD IAW AMM 29-11-00/501.  AIRCRAFT RETURNED TO SERVICE.

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