SDR ASMF201503012

Service difficulty report · Valve · Boeing 7772Q8

Difficulty date: February 6, 2015
Submitted: March 4, 2015
Operation: Air carrier
Aircraft: N745AM
Make and model: Boeing 7772Q8
Aircraft serial: 32718
Aircraft time: 41,205 hours, 4,572 cycles
System (JASC): 3240 · Landing Gear Brake System
Part: Valve
Condition: Loose
Location: Mlg Brake
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

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

What was found

DURING TRANSIT CHECK, IT WAS DETECTED A HYD LEAK IN THE WHEEL NR 4. DURING MX REVISION, THE WHEEL NR 4 WAS DETECTED LEAKING WITHIN LIMITS. THE BRAKES BLEED PORT OF THE WHEEL NR 4 WAS TIGHTENED & CLEANED IAW AMM 32-45-00, TESTED CORRECT.

More about the Boeing 777-2Q8