What was found
LAVS K & S INOP DIVERSION & HAS HISTORY. UNLOCKED UPON ARRIVING TO THE ACFT, INITIAL EVALUATION SHOWED THAT S LAV HALF OF THE TOILET BOWL WAS FLUSHING ADDED 4 GALLONS OF VINEGAR & FLUSHED REPEATEDLY. DEBRIS GOT CLEARED FROM OTHER HALF, LAV S FLUSHES NORMALLY NOW, INITIALLY LAV K WOULD NOT FLUSH AT ALL ADDED 4 GALLONS OF VINEGAR SUSPECTED TO BE EMPTY AS IT WILL SURGE BUT FLUSH NORMALLY FOR THE FIRST COUPLE SECONDS. UPON ARRIVING TO THE ACFT, INITIAL EVALUATION SHOWED THAT S LAV HALF OF THE TOILET BOWL FLUSHING ADDED 4 GALLONS OF VINEGAR & FLUSHED REPEATEDLY. DEBRIS CLEARED FROM OTHER HALF, LAV S FLUSHES NORMALLY NOW, INITIALLY LAV K WOULD NOT FLUSH AT ALL ADDED 4 GALLONS OF VINEGAR SUSPECTED TO BE EMPTY AS IT WILL SURGE BUT FLUSH NORMALLY FOR THE FIRST COUPLE SECONDS. REMOVED AND REPLACED SWITCH TOILET TIMER AT LAV K. TIOLET FLUSHES NUMEROUS TIMES FOR 10 SECS. REF: AMM 38-32-09. PRESSURIZED ACFT & OPERATED TOILET FLUSH AT ALL LAV'S. S & K, ALL OTHER TOILETS OPERATED NORMALLY IAW AMM 05-51-24.