Service difficulty report · Hydraulic System · Boeing 737823

Difficulty date
May 8, 2021
Submitted
May 10, 2021
Operation
Air carrier
Aircraft
N309PC
Make and model
Boeing 737823
Aircraft serial
31258
Aircraft time
12,325 hours, 4,944 cycles
Part
Hydraulic System
Condition
False Indication
Location
-A- System
Stage of operation
CR
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

AIRCRAFT WAS GROUNDED: IN FLIGHT A HYDRAULIC SYSTEM QUANTITY DROPPED FROM 78% TO 55% PRESSURE REMAINED AT 3000. ADDITIONALLY B HYDRAULIC SYSTEM QUANTITY DROPPED TO 81%. AIRCRAFT DIVERTED INTO PHX DUE TO LOW QUANTITIES OF HYDRAULIC FLUID. NO EMERGENCY DECLARED AIRCRAFT WAS NOT OVERWEIGHT. SERVICED A AND B HYDRAULIC SYSTEMS TO PROPER FULL LEVEL PER 12-12-00-301. NO LEAKS, ALL FLIGHT CONTROLS OPERATION NORMAL.