The phrase "admitted failings" is correct and usable in written English.
It can be used when discussing someone's acknowledgment of their mistakes or shortcomings.
Example: "In his speech, the leader addressed the admitted failings of his administration and promised to make necessary changes."
Alternatives: "acknowledged shortcomings" or "confessed mistakes".
Jung admitted failings, though perhaps also had the chance to tell a fuller story.
NR admitted failings over the installation, maintenance and inspection of adjustable stretcher bars which keep a moveable section of a track at the correct width for train wheels.
Laura Johnston, director for children and family services at Telford and Wrekin council, also admitted failings and listed a string of reforms it had made.
The not-for-profit journalism group dragged into the row over the Newsnight report that led to Lord McAlpine being wrongly exposed as a paedophile has said it had had no control over the story but admitted failings over a decision to second one of its reporters to the BBC.
HSBC has admitted failings in compliance and controls in its Swiss bank and faces investigation by US authorities and an inquiry by British MPs after reports that it helped customers conceal millions of dollars of assets in a period up to 2007.
Under questions last year from the culture, media and sport select committee in parliament, Fairhead defended her role at HSBC, but admitted failings related to the record-breaking $1.9bn fine levied on the bank by US authorities in relation to money-laundering in its Mexican branch.
He also admitted failing to properly supervise junior Marines.
De Boer has admitted failing the tests, but denied taking any banned substance.
The former Professional Footballers Associationn chairman, who played for Burnley, Queens Park Rangers, Leeds United and Northampton Town, admitted failing to provide a sample.
The Prime Minister called in Sir Alex Allan, his independent adviser on ministerial interests, to investigate after she admitted failing to disclose her business relationship with Abid Hussain.
Cologne's police chief has admitted failing to acess the gravity of the situation in the city but said speculation that the attackers were refugees is "absolutely inadmissable".
