SDR IPXA2023011648886

Service difficulty report · Line · Boeing 75724APF

Difficulty date: January 14, 2023
Submitted: January 16, 2023
Operation: Air carrier
Aircraft: N436UP
Make and model: Boeing 75724APF
Aircraft serial: 25467
Aircraft time: 29,498 hours, 19,269 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Line
Condition: Chafed
Location: Hyd System
Stage of operation: DE
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY DECLARED, LEFT HYD SYS PRESSURE LOSS DUE TO HYD QTY LOSS. L HYD SYS PRESS EICAS DISPLAYED HYD QTY .15.FOUND PTU RETURN & LEFT ALCS SERVO PRESSURE LINES CHAFED THRU. R & R BOTH HYD LINES PER MM 20-10-09-404, LEAK & OPS CK GOOD.

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