# Incident 20240101006889I: Airbus A321-231, Los Angeles, CA, January 1, 2024 - Type: FAA incident report (Accident/Incident Data System), as reported - Date: January 1, 2024, 20:09 local time - Place: Los Angeles, CA - Airport: Los Angeles International - Damage: No damage - Phase of flight: Landing: Approach - Operating rules: Air carrier (Part 121) - Operator: YENA - Location: 33.9425° N, 118.4080° W: Placed by OpenAirDocs at LOS ANGELES INTL (LAX), within about a mile (OpenAirDocs) - Nearby events: https://openairdocs.org/map.md?lat=33.9425&lon=-118.4080&mi=10 - Aircraft: N989JT, registered now (https://openairdocs.org/aircraft/N989JT) (OpenAirDocs) - Registry model: Airbus A321-231 (registry code 3940032, https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs) - Registry engine: IAE V2533-A5 (registry code 34611, https://openairdocs.org/engine/iae-v2533-a5) (OpenAirDocs) - Reported make and model: AIRBUS A321-231 - Reported engine: IAE V2533-A5 - People aboard: 0 - Fatal injuries: 0 - Other injuries: 0 - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20240101006889I ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. THE FAA LOS ANGELES, CA, FLIGHT STANDARD DISTRICT OFFICE (FSDO) RECEIVED A REPORT THAT ON JANUARY 02, 2024, AT APPROXIMATELY 0409 UTC (JANUARY 01, 2024, @ 2009 PACIFIC STANDARD TIME), ICE PENETRATED A HOME. THE POLICE AND FIRE DEPARTMENT HAD BEEN CALLED TO THE HOME AND REPORTED DAMAGE TO THE ROOF AND CLEAR ICE IN THE LIVING AREAS. THERE WERE NO REPORTED INJURIES. ON JANUARY 9, 2024, THE LAX FSDO CONTACTED OUR OFFICE FOR ASSISTANCE. WE OPENED AN INVESTIGATION. THE FLIGHT RADAR AND REPORT DATA REVEALED THAT THE AIRCRAFT OPERATING AS FLIGHT XXX, FROM JFK INTERNATIONAL AIRPORT (JFK) TO LOS ANGELES INTERNATIONAL AIRPORT (LAX) WAS OVER THE HOME AT THAT TIME. A REVIEW OF THE MAINTENANCE & ENGINEERING SYSTEM RECORDS FOR THE AIRCRAFT REVEALED THAT THE AIRCRAFT HAD A HISTORY OF POTABLE WATER ISSUES DATING BACK TO JULY 2023. THE AIRCRAFT WAS ALSO SUSPECTED OF DROPPING CLEAR ICE ON A HOME IN SHIRLEY, MA, ON AUGUST 13, 2023. THIS IS CONTRARY TO 14 CFR 121.153 (A)(2). TIMELINE OF EVENTS AND FINDINGS: - JANUARY 1, 2024, ICE DEBRIS PENETRATED A HOME’S ROOF IN LOS ANGELES, CA. - JANUARY 11, 2024, ISSUED A TECHNICAL SERVICE ITEM (TSI) TASK CARD ON AIRCRAFT FOR THE POTABLE WATER SERVICING SYSTEM TO BE SERVICED, PRESSURIZED, INSPECTED, AND CHECKED FOR LEAKS. ALL THE TASKS WERE ACCOMPLISHED, AND NO LEAK WAS FOUND. HOWEVER, THE “POTABLE WATER SYSTEM VALVE – FILL AND DRAIN” (VALVE) WAS REMOVED AND REPLACED. AFTER REPLACEMENT, THE VALVE OPERATIONAL AND LEAK CHECKS WERE ACCOMPLISHED AND FOUND SATISFACTORY. - FEBRUARY 11, 2024, THE AIRCRAFT WAS REMOVED FROM SERVICE AT JFK TO ACCOMPLISH ADDITIONAL INSPECTIONS AND MAINTENANCE TASKS. DUE TO THE CRITICALITY OF THE ISSUE, QUALITY CONTROL INSPECTORS WERE ASSIGNED TO OBSERVE AND INSPECT THE WORK ACCOMPLISHED BY THE TECHNICIANS. TROUBLESHOOTING AND CORRECTIVE ACTIONS WERE COMPLETED. ON FEBRUARY 15, 2024, THE AIRCRAFT WAS RETURNED TO SERVICE. - BETWEEN FEBRUARY 15, 2024, AND APRIL 28, 2024, SEVERAL POTABLE WATER SYSTEM RELATED DEFECTS ON THE AIRCRAFT WERE REPORTED AND RECTIFIED. THE DEFECTS WERE NOT FULLY RELATED TO POSSIBLE ICE FORMATION. - MARCH 4, 2024, THE AIRLINE REQUESTED THAT THE REPAIR VENDOR OPEN AN INVESTIGATION AND PERFORM AN IN-DEPTH REVIEW OF THE FINDINGS FROM THE INSPECTION AND TESTING OF THE VALVE THAT WAS REMOVED FROM AIRCRAFT AFTER THE ALLEGED INCIDENT IN LOS ANGELES, CA. - ON MAY 20, 2024, THE AIRLINE RECEIVED THE REPAIR VENDOR INVESTIGATION REPORT FOR VALVE PART NUMBER D06C00, SERIAL NUMBER 3305, REMOVED FROM THE AIRCRAFT. THE REPORT STATED THAT THE CONNECTING FLANGE THREADS WERE CROSS THREADED WHEN INSTALLED ON THE AIRCRAFT CAUSING THE LEAK. THE DAMAGED FLANGE AND O-RINGS WERE REPLACED BY THE VENDOR. THE REPORT FURTHER STATED THAT PER AIRBUS RECOMMENDATIONS, FOR WATER DRAIN VALVES (ALL AIRCRAFT), “…TO PREVENT WATER FROM ACCUMULATING IN THE DRAIN VALVE WHICH COULD LEAD TO ICE FORMATION AND SEVERAL DAMAGES, AIRBUS HIGHLY RECOMMENDS TO ENSURE A PROPER DRAINAGE OF ALL RESIDUAL WATER FROM THE POTABLE WATER SYSTEM AND KEEP THE DRAIN VALVE OPEN DURING THE STORAGE PERIOD UNDER COLD WEATHER CONDITIONS…”. - JUNE 13, 2024, THE AIRLINE ISSUED A TECHNICAL SERVICE ITEM TO ACCOMPLISH A LEAK CHECK OF THE POTABLE WATER SYSTEM - NO DISCREPANCY WAS NOTED. - SINCE APRIL 28, 2024, THERE HAS NOT BEEN A RECURRENCE OF ANY POTABLE WATER SYSTEM RELATED DEFECTS ON THE AIRCRAFT. THE INVESTIGATION IS CLOSED ## Other reports on N989JT (1) Matched to the same aircraft by N-number and date. - [Incident 20230813011329I](https://openairdocs.org/incident/20230813011329I), Aug 13, 2023: Airbus A321-231 (N989JT), Shirley, MA, No damage. On August 13, 2023, at approximately 22:16, residents of a home reported a large chunk of ice had penetrated their roof into the attic. Local police and fire… From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.