Service difficulty report · Flex Line · Boeing 767316

Difficulty date
July 2, 2019
Submitted
July 5, 2019
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316
Aircraft serial
27615
Aircraft time
86,550 hours, 18,554 cycles
Part
Flex Line
Part number
2518M48P01
Condition
Damaged
Location
Lt Engine
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT ENGINE EEC INOP.(<P>TRANSFERRED TO MDDR 114126 PER DDG 73-21-01-03.</P><P>LP 1098898 - M3: PERFORMED VSV ACTUATOR INSPECTION IAW AMM 71-00-00-735-197-H03, & AMM 71-00-00-712-168-H03. COULD NOT GET VSV TO ACTIVATE FROM 040-1040 & 9000-10090. ATTEMPTED WET MOTORING OF LT ENG AND RECEIVED SAME RESULTS. ON ECPS PAGE VSV FOR LT ENGINE SHOWED 1.4. REQUIRES FURTHER TROUBLESHOOTING ON BITE OF PIMU NO FAULTS NOTED.</P><P>LP 1098899 - M5: PER ENGINEERING REQUEST PERF'D CONTINUITY/RESISTANCE CHECK FROM N1 FAN SHAFT SPEED SENSOR CONNECTOR # P102-N18 PINS 3&4, TO L EICAS COMP/R EICAS COMP CONNECTORS D881B & D883B, PINS 1&2 IAW WDM 77-12-11, VERIFIED CONTINUITY/RESISTANCE, NO FAULTS NOTED. DMI REMAINS OPEN.<BR /></P><P>LP 1098899 - M6: PERF PS3 LINE INSPECTION, VERIFIED NO CRACKS/LEAKS IN TUBING IAW AMM 73-21-24 NO DEFECTS NOTED</P><P>LP 1098898 - ITEM 1: T/S ENGINE SURGE TO PIN HOLES IN FLEX LINE FROM EEC TO THE PS3 LINE. REMOVED AND REPLACED FLEX LINE IAW 73-21-15. OPS CHECK NORMAL AT THIS TIME. THIS CLEARS DMI 114126. PLACARDS REMOVED MCC NOTIFIED.<BR /></P>)