SDR CALA2015091400756

Service difficulty report · Switch · Boeing 767424ER

Difficulty date: September 14, 2015
Submitted: September 14, 2015
Operation: Air carrier
Aircraft: N66051
Make and model: Boeing 767424ER
Aircraft serial: 29446
Aircraft time: 65,695 hours, 9,348 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Switch
Condition: Defective
Location: Mlg Door
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

EICAS STATUS MSG, GEAR CONTROL, PERFORMED OPERATIONAL TEST OF LG CONTROL SYS IAW AMM TASK 32-31-00-715-001-0-01-1, WITH GOOD RESULTS. FAULT DID NOT REPEAT & EICAS MSG WENT AWAY, OK TO CONTINUE. FURTHER TROUBLESHOOTING, FOUND A SEQUENCE ISSUE WITH GEAR DOOR OPERATION ON GND. FOUND SWITCH S260 INDICATING INCORRECTLY. R & R EXTEND TEST SUCCESSFUL.