SDR ASAA2026010463574

Service difficulty report · Hinge · Boeing 737790

Difficulty date: January 4, 2026
Submitted: January 6, 2026
Operation: Air carrier
Aircraft: N618AS
Make and model: Boeing 737790
Aircraft serial: 30543
Aircraft time: 75,015 hours, 40,213 cycles
System (JASC): 5344 · Fuselage, Door Hinge
Part: Hinge
Condition: Lack Of Lube
Location: Zone 800
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

FA REPORTS L1 DOOR DIFICULT TO OPEN AND CLOSE. GROUNDED - YES. PERFORMED L1 FWD ENTRY DOOR SYSTEM TEST- OPEN/CLOSE TEST FAIL. REF AMM = AMM 52-11-00. BALVAREZ 1057044 01/03/2026FOUND UPPER L1 DOOR HINGE NEEDING LUBRICATION. GREASED UPPER HINGE. PERFORMED FORWARD ENTRY DOOR SYSTEM TEST, FOUND DOOR OPEN AND CLOSE TORQUES WITHIN LIMITS. 384 IN/LB OPEN FORCE, 525 IN/LB CLOSE FORCE. REF AMM 52-11-00. OPS CHECK GOOD.