As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOTS REPORT: SERVICE DOOR WARNING CAME ON WHEN REACHING FL230 INTERMITTENT BETWEEN FL180-060, STEADY ON BELOW FL060.MAINTENANCE ACTION: DOOR INSPECTION CARRIED OUT AND FOUND PULL FORCE LESS THAN 10 KG, ACTION TAKEN. PULL TEST CARRIED OUT AGAIN, POST DOOR RE-RIGGED IAW AMM 52-22-00 AND PULL TEST PASSED, AIRCRAFT RETURNED TO SERVICE.