As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 5639, ON DESCENT (WITH THRUST LEVERS AT IDLE) STARTING AT 15000 MSL STARTING DETECTING STALE/LIGHT DIRTY LAUNDRY SMELL ON FLT DECK. REPLACED OUTBOARD THRUST REVERSE OPENING ACTUATOR LEAKING ON LEFT ENGINE. (LP 7549200, 1105242)