What was found
AIR TEMP GUAGE INDICATES ZERO IN ALL SELECTOR POSITIONS. GROUNDED - YES. (RESOLVED ON W/O: 1969358 TASKCARD: N/R-00003 ) INITIAL EVAL SHOWS AIR TEMP GAUGE INDICATING CORRECTLY. ROTATED TEMP SELECTOR THROUGH ALL POSITIONS WITH ALL INDICATED TEMPS RESPONDING CORRECTLY. OPERATED BOTH R & L PACKS AND AGAIN, ALL SELECTED TEMPS RESPOND ACCORDINGLY. OPS CHECKS OK AT THIS TIME. REF AMM 21-61-00-700-801. CLEARS MEL'S 21-61-03A, 21-61-03B, & 21-61-03C, ALL PLACARDS REMOVED. SEAMC DAVE NOTIFIED.