SDR ASAA2025081260083

Service difficulty report · Door · Boeing 737790

Difficulty date: August 12, 2025
Submitted: August 14, 2025
Operation: Air carrier
Aircraft: N609AS
Make and model: Boeing 737790
Aircraft serial: 29752
Aircraft time: 76,236 hours, 40,393 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Door
Condition: Lack Of Lube
Location: Zone 800
Stage of operation: IN
How discovered: V
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

FA REPORTS L1 DOOR DIFFICULT TO CLOSE. GROUNDED - YES. FA REPORTS L1 DOOR HANDLE BINDING WHEN TRYING TO CLOSE. PERFORMED L1 FWD DOOR SYSTEM TEST REF AMM 52-11-00-700-804 L1 DOOR FAILS DOOR CLOSE TORQUE. WILL NOT CLOSE AT 1000 IN LB OF FORCE. L1 DOOR BINDING DUE TO LACK OF GREASE, GREASED L1 DOOR REF AMM 12-25-11-640-801 & ACCOMPLISHED DOOR SYSTEM TEST TESTED GOOD. DOOR OPERATES SMOOTHLY NO BINDING CLOSES AT 600 IN POUNDS. REF AMM 52-11-00-700-804.