What was found
ON RECALL LEFT PACK LIGHT ILLUMINATED, LIGHT GOES OUT UPON PRESSING MASTER CAUTION. GROUNDED-YES. CONFIRMED LT RAM AIR ACTUATOR FAULT, REF B737-800 AMM 21-61-00. REMOVED AND REPLACED LT RAM AIR DOOR ACTUATOR. BITE CHECK PASS BUT OPERATIONS CHECK FAILS. RAM AIR DOOR FULL OPEN LIGHT DOES NOT EXTINGUISH DURING OPERATIONS TEST. DOOR DOES NOT MOVE DURING STEP I (10), REF INSTALLATION TASK AMM 21-51-21-400-801. REMOVED NEW ACTUATOR, INSTALLED ACTUATOR ON RT SIDE, OPERATIONS CHECK GOOD. REMOVED AND REINSTALLED ORIGINAL RT RAM DOOR ACTUATOR, REF AMM 21-51-21-400-801. OPERATIONS CHECK GOOD. REINSTALLED NEW GOOD RAM AIR DOOR ACTUATOR ON LT SIDE. PERFORMED ACTUATOR LOCKOUT, PER MEL 21-5C MAINTENANCE PROCEDURES. FLAP SWITCH S1051 RINGS 1.5 OHMS FLAPS NOT UP (NORMAL) BUT VARIABLE 200-400 OHMS FLAPS UP (ABNORMAL). REPLACED S1051, REF AMM 27-51-63-400-801. ADJUSTED REF AMM 27-51-63-820-801. OPERATIONS TEST GOOD, REF AMM 27-51-63-700-803. REPAIR CONFIRMATION SUCCESSFULB737-800 FIM 21-51 TASK 803 (K). VERIFIED INSTALLATION OF LT RAM AIR ACTUATOR AND OPERATIONS CHECK GOOD, REF AMM 21-51-21. GROUND VERIFICATION GOOD.