# SDR AALA202607023585

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2026
- Submitted: July 2, 2026
- Operation: Air carrier
- Aircraft: [N736AT](https://openairdocs.org/aircraft/N736AT), registered now
- Make and model: Boeing 777323ER
- Aircraft serial: 33538
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 972952
- Part serial: MX769103
- Condition: Inoperative
- Location: Zone 100
- Part time: 18,867 hours, 2,271 cycles
- Stage of operation: CL
- 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/AALA202607023585

## Discrepancy

AIRCRAFT WAS GROUNDED: ON CLIMB OUT LOST CENTER HYD FLUID. QTY DECREASED TO ZERO. DECISION MADE TO RETURN TO LAX, EMERGENCY DECLARED AND LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE  REPLACED ADP (C2) IAW AMM 29-11-11-400-801.

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