Service difficulty report · Connector · Doug MD11F

Difficulty date
February 3, 2019
Submitted
February 5, 2019
Operation
Air carrier
Aircraft
N583FE
Make and model
Doug MD11F
Aircraft serial
48421
Aircraft time
86,459 hours, 19,769 cycles
Part
Connector
Condition
Shorted
Location
Extinguisher
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

PDIS 583 26-10 8406 02FEB19 CAN FACT U LOGPAGES:2905032 10 MIN AFTER TAKEOFF RECEIVED "ENG FIRE AGENT LO" ALERT.NO INDICATION LOW LIGHT ANY ENGINE ALERT BECOME INTERMITTENT IN DESCENT AND TAXI IN. FOUND "ENG FIRE AGENT LO" ALERT STILL SHOWING. SWITCHED DEU NO HELP. PER WDM 26-23-01 CHECKED WIRINGS AND FOUND CONNECTOR R5-1008A PIN 13A SHORT TO GROUND (1K OHM). IT'S ENG 1 AGENT 1 LOW PRESSURE. DISCONNECT #1 ENG AGENT 1 LOW PRESSURE SW CONNECTOR P1-1261. CHECKED LOW PRESSURE SW GOOD. AND CHECKED FOUND P1-1261 WIRE BROKEN AT THE PIN END. CHANGED THE PIN B PER SWPM. PER AMM 31-61-02-4,PERFORMED THE DEUS R-T-S TEST ALL NORMAL. AND PERFORMED FIRE WARNING TEST ALL NORMAL. MESSAGE CLEARED. A/C OK FOR SVC. SHGN 03FEB19 04:05 CAN U PER MD11 JRH RUN ALL 3 ENGS BY AMT 718486, AND ALL PARAMETERS NOMAL. FACT 03FEB19 04:08 CAN U CONSULT MOCC, A/C UP. A/C OK FOR SVC.

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