The phrase "also noted that when" is correct and usable in written English.
It can be used to introduce an observation or a point that is relevant to a previous statement, often in formal writing or reports.
Example: "The committee also noted that when reviewing the data, several inconsistencies emerged that required further investigation."
Alternatives: "also observed that when" or "further noted that when".
He also noted that when his union went on strike for seven weeks against three private bus lines in Queens last summer, he argued against a walkout.
The scientists also noted that when temperatures sank low enough to damage crops, the agricultural lands experienced freezing for several hours longer.
He also noted that when the EV Project first discussed fast-charge units, the was no SAE-approved quick-charge standard in place.
It also noted that when the Macpherson report came out, Asian and black citizens were six times more likely to be stopped and searched by police - it now stands at seven times.
But the analysts also noted that when he declared a state of siege in April to end protests over water prices in Cochabamba, protests only grew and the national police went on strike for higher wages.
Mr. Browne also noted that when construction sites disrupt street traffic and force the department to provide parking and traffic enforcement, builders reimburse the city for the cost of the overtime.
Democrats also note that when President Obama came into office, he inherited a growing budget deficit from President Bush.
But he also notes that when his village was built 14 years ago, one could sink a new well and haul water up by the bucketful.
However, she also notes that "when available to the mass market, they are irresponsibly marketed and insensitive towards those who experience self-harm".
But some Western officials also note that when Mullah Omar and his closest aides make a decision, it does seem to get carried out.
He also notes that when Clinton wasn't covered by the DC beltway press, such as during her time as secretary of state when the diplomatic press reported on her, the reporting on her was more neutral and favorable.
