As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF " DESCENT C/L" RH PACK ILLUMINATED ON M/C RECALL, EXTINGUISHED ON M/C RESET. GROUNDED - YES. PERFORMED BITE CK B737-900 FIM 21-62 TASK 801 FOUND RH RAM AIR ACTUATOR FAULT. REMOVED AND REPLACED RH RAM AIR ACTUATOR AS REQUIRED OPS CKD GOOD B737-900 AMM 21-51-21-400-801 PERFORMED 2ND BITE TEST NO FAULTS FOUND.