Service difficulty report · Module · Boeing 767322

Difficulty date
July 30, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N647UA
Make and model
Boeing 767322
Aircraft serial
25284
Aircraft time
116,250 hours, 18,134 cycles
Part
Module
Part number
76275390003
Part serial
9022
Condition
Failed
Location
Hyd System
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

C HYD QTY LIGHT CAME ON. QTY AT .47 ACFT ARRIVED AT GATE WITH CENTER HYDRAULIC QUANTITY READING 0.36. NOTICED HYDRAULIC FLUID DRIPPING FROM R/H WHEEL WELL DOOR WEEP HOLE. PICTURES ATTACHED FOUND FLAP AND SLAT HYDRAULIC S/O VALVE MODULE FLOW REGULATOR LEAKING AND BUSTED OUT. PER AMM 27-51-48-022-001 AND 27-51-48-422-036 WILL REQUIRE REMOVED AND REPLACED FLAP AND SLAT HYDRAULIC S/O VALVE MODULE BONDING CHECK PER INSTALL AMM 27-1-48-422-036 AND OPS CHECK AND LEAK PER AMM 51-48-712-074 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1126132 SN OFF 9022 MODULE, FLAP & OFF 76-2753-9-0003 9022 ON 76-2753-9-0003 9021 ACCOMPLISHED THE BONDING CHECK WITH NO DEFECTS. PERFORMED LEAK AND OPS CHECK NO LEAKS NOTED. OPS CHECKS GOOD. REF AMM 27-51-48-422-036 AND AMM 27-51-48-712-074. ALL CHECKS GOOD CENTER SYS SERVICED TO FULL. ADD EMP:U342887