# SDR ABXA20241215258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2024
- Submitted: December 17, 2024
- Operation: Air carrier
- Aircraft: [N364CM](https://openairdocs.org/aircraft/N364CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 24531
- Aircraft time: 99,176 hours, 36,759 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: Control Unit
- Part number: 3B411B
- Part serial: 339M
- Condition: Malfunctioned
- Location: Zone 100
- Part time: 510,824 hours, 3,901 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20241215258

## Discrepancy

DURING TAXI OUT  C HYD PRIMARY 1 EICAS MESSAGE APPEARED , AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC . TROUBLESHOT, AND REMOVED AND REPLACED ELECTRICAL LOAD CONTROL UNIT IAW B767 AMM 29-11-14 OPS CHECK OK AT THIS TIME . AND RETURNED AC TO SERVICE .

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