SDR CALA2025090108319

Service difficulty report · Handle · Boeing 737924ER

Difficulty date: August 28, 2025
Submitted: September 1, 2025
Operation: Air carrier
Aircraft: N67827
Make and model: Boeing 737924ER
Aircraft serial: 44581
Aircraft time: 34,968 hours, 12,843 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Handle
Condition: Unsecure
Location: Zone 100
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

HYD SYS A QTY DROPPING IN LEVEL FLIGHT 75 TO 70 IN 30 MINUTES, PERFORMED AMM TASK 29-00-00-790-801, HYDRAULIC SYSTEM EXTERNAL LEAKAGE CHECK. NO LEAKS FOUND. FOUND HYD SERVICING LEVER IN WHEEL WELL NOT IN CLOSED POSITION. PERFORMED AMM TASK 29-11-00-200-801, HYD FLUID LEVEL CHECK AND BLED SYSTEM IAW AMM TASK 29-00-00-870-801. SYSTEM PRESSURE AND QTYS NORMAL. SUSPECT AIR MAY HAVE ENTERED SYSTEM DUE TO PUMP HANDLE NOT BEING CLOSED & SECURED.