http://www.thenews.com.pk/Todays-New...ng-regulations
an extract from the article
The email also narrated the incident, as informed by the co-pilot of Capt
Irfan, and said that right from the time of the hotel pick-up, ground journey to the airport, baggage check-in and walk to the aircraft through multiple security checks, nowhere did the captain’s behaviour reflected that he was intoxicated.
“The last security check prior to entering the aircraft irritated the captain
and he said so to the security personnel. He then sat in his seat and started the cockpit preparation,” it said.
“After a few minutes, the PIA station manager came and informed that the UK CAA would like to speak to him outside the aircraft and then take him to their office for an alcohol check. They did not want to check the first officer (F/O) so it was not a routine random check but specific for the captain.