Parts · Engine

Bmc

8 failure reports named the bmc in the last ten years, 8 since 2024, most often on the Airbus A330; the condition most often found was "faulted".

Reports by year

Reports by year, as a table

	reports
2024	2
2025	5
2026	1

Which system the reports file it under last ten years

Engine4Heating, ice protection and utility systems4

Reports by system, as a table

	reports
Engine	4
Heating, ice protection and utility systems	4

Models most often reporting it last ten years

Airbus A3304Airbus A3213Airbus A3191

Models most reported, as a table

	reports
Airbus A330	4
Airbus A321	3
Airbus A319	1

How it failed the condition found, last ten years

faulted6damaged1malfunctioned1

Conditions found, as a table

	reports
faulted	6
damaged	1
malfunctioned	1

Engines most often reporting it

Rolls-Royce RB-211 series 2International Aero Engines PW1133G-JM 1

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.