Choa Chu Kang Case 1: Recurring leak after basic patch
Problem:Leak kept returning at a hidden joint. Location cue: around Choa Chu Kang Avenue 4.
Action:Trace upstream pressure and replace failing segment + fittings. Postal reference: D23.
Result:Leak stabilized after pressure test and re-check. Nearest MRT reference: Choa Chu Kang MRT/LRT.