SDR IPXA2021061870743

Service difficulty report · Warning Message · Doug MD11F

Difficulty date: June 18, 2021
Submitted: June 21, 2021
Operation: Air carrier
Aircraft: N273UP
Make and model: Doug MD11F
Aircraft serial: 48574
Aircraft time: 71,679 hours, 14,731 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Warning Message
Condition: False Activation
Location: Pax Door
Stage of operation: CR
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

CABIN DOOR FWD L LEVEL ONE ALERT IN FLIGHT FL310 CABIN ALT US50 DP 8.1 (IT ALSO WENT AWAY BEFORE ANYTHING CHANGED. REF M747491 MEL 52 40 1 1 0 1 CABIN DOOR FWD L LEVEL 1 MESSAGE MAYBE DISPLAYED.INSPECTED L1 DOOR CLOSE LIMIT SWITCH (S1-248) AND GIRT BAR ARM SWITCH (S1-590). FOUND GIRT BAR ARM SWITCH FAULTY & CORRODED. R/R'D SWITCH (S1-590) IAW MD11 AMM 52-11-02-501. R/R'D CONNECTOR P1 1882 PRECAUTIIONARY IAW SWPM 20-31-00. OPS CHKS GOOD ON GROUND AT THIS TIME. M747491 CLOSED. ESR MD11 IPC 52-11-70-01.

More about the Doug MD-11F