58 Water & Waste (ATA 38) service difficulty reports for the Airbus A321 (all variants) — 0.2% of all reported difficulties.
Most reported components
- WATER HEATER 15
- TOILET 10
- UNKNOWN 4
- LAVATORY 4
- SENSOR 3
- POTABLE WATER 2
- GENERATOR 2
- COMPRESSOR 2
- DRAIN VALVE 2
- WASTE TANK 1
- CONTROLLER 1
- DRAIN LINE 1
- PUMP 1
- RELAY 1
- FILTER 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).