SDR FDEA202009302360

Service difficulty report · Sensor · Boeing 757236

Difficulty date: September 30, 2020
Submitted: October 5, 2020
Operation: Air carrier
Aircraft: N959FD
Make and model: Boeing 757236
Aircraft serial: 25133
Aircraft time: 52,694 hours, 24,417 cycles
System (JASC): 5270 · Door Warning System
Part: Sensor
Condition: Inoperative
Location: Emergency Exit
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

PDIS 959 52-70 7383 30SEP20 MEM OPEN U. RT EMERGENCY DOOR EICAS MESSAGE DURING CRUISE. PRESSURIZATION APPEARED NORMAL. SHGN 30SEP20 09:25 MEM U SHGN 30SEP20 09:25 MEM U. FOUND GAP BETWEEN TARGET AND SENSOR AT NUMBER 3 RT EMERGENCY EXIT DOOR TO BE TOO SMALL. REMOVED SHIM MATERIAL TO GET GAP TO 0.14", IAW B757 AMM 52-71-00-5. STILL NEED TEST TASK 52-71-00-735-053. PART 30SEP20 10:09 MEM U. IDENTIFIED PARTS NOSE GEAR UP SENSOR MPN: 284N1641-5 CPN: 3217188 QTY: 2.