Air India said on Tuesday it has completed precautionary inspections of the fuel control switch locking mechanism on all its Boeing 787 and 737 aircraft, with no issues detected. The probe into the Air India crash that killed 241 of the 242 people on board and 19 on the ground is focused on the fuel control switches of the Boeing 787 jetliner,

The investigation by India’s Aircraft Accident Investigation Bureau into the London-bound plane that crashed in the northwestern city of Ahmedabad on June 12, killing 260 people, is centered around the fuel control switches on the Boeing 787 jetliner. One person survived the crash.

Air India said that it had started voluntary inspections on 12 July, and completed them within the prescribed time limit set by the DGCA. The same was communicated to the regulator.