"has been found lacking" is correct and usable in written English.
You can use it to refer to something that was found to be inadequate or lacking in some way, often after review or evaluation. For example: "The candidate's answers to the questions on the job interview have been found lacking, and they are not suitable for the position."
Google Offers has been called, for obvious reasons, Google's own version of Groupon, and in some cases, has been found lacking.
To date, no free-living bacterium has been found lacking either RF1 or RF2.
However, the effectiveness of disseminating paper-based work aids such as guidelines without additional interventions has been found lacking [ 24, 27- 30].
Clinical supervision helps doctors connect with their peers and develop self-awareness and insight such as has been found lacking in doctors referred to the GMC with fitness to practice concerns [ 57].
Evidence for replicative senescence in vivo has been difficult to acquire, and a possible relationship between the replicative capacity of fibroblasts in vitro and human age has been found lacking in a re-evaluation (Cristofalo et al. 1998), leading to criticism of this postulate (Rubin 2002).
However, certifiability considerations and more realistic structural representations have been found lacking in these frameworks.
Decorum, self-control, compromise and honor have been found lacking in both the political realm and the c-suite before.
This is because most analytical techniques and procedures have been developed for use with materials in their 'bulk' state, and have been found lacking when applied to materials in a 'nano' form.
In my own case, I hope that this reincarnation of "The Fourth Wall," for all its lightheartedness, contains an underlying sense of what is fashionably called gravitas, which may have been found lacking in some of my other endeavors.
Both have been found lacking.
However, naturally occurring isolates have been found lacking either virulence plasmid, and a number of laboratory strains have been plasmid cured, as well.
