As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
191172/3 - GEAR DISAGREE - WARNING ILLUMINATED APPROX 6-10 SECONDS AFTER RETRACTION SELECTION. LT MLG DID NOT RETRACT. COMPLIED WITH QRH. GEAR EXTENDED AND LOCKED NORMALLY. INSP LT MLG. FOUND NO VISUAL EVIDENCE OF HYD LK OF MECHANICAL FAILURE. INSTALLED GEAR PINS IAW AMM 10-11-00-400-801 AND 10-11-00-400-802. 191172/4 - REMOVED AND REPLACED LT MLG UPLOCK ACTUATOR IAW AMM 32-32-05. PERFORMED LEAK CHECK AND GEAR RETRACTION AND EXTENSION SEVERAL TIMES. LEAK AND OPS CHECK GOOD. REMOVED PLACARD AND REMOVED FROM MEL. (K)