The Directorate General of Civil Aviation (DGAC) has asked Jet Airways and SpiceJet to take corrective measures to remedy the potential problems of their Boeing 737 MAX which could lead to a "significant loss of altitude", said a senior official Thursday.
The latest directive follows the advice issued by the US Federal Aviation Administration (FAA) and Boeing on B 737 MAX aircraft following the crash of a Lion Air aircraft in Indonesia last month.
Currently, Jet Airways and SpiceJet use Boeing 737 MAX in India. Together, there are at least six such devices with both carriers.
"Both documents deal with a high" angle of attack "erroneous [AOA] sensor input and corrective action for the same, as it has the potential for repeated commands of horizontal stabilization attitude ", said a senior official of the DGAC PTI.
The official said that if the situation was not resolved, the flight crew might have difficulty controlling the plane.
The condition can even lead to "an excessive dive attitude, a significant loss of altitude and a possible impact on the ground," noted the official.
On the basis of the initial investigation into the crash of a Lion Air aircraft, the FAA issued an Emergency Airworthiness Directive (AD) on November 7. Boeing published a newsletter on November 6.
The head of the DGAC said that within three days of receiving the FAA AD, changes needed to be made to the aircraft flight manual, for the procedures to be followed by the flight crew .
"The DGAC has ensured that all Indian operators are aware of the FAA's decision and have taken appropriate corrective action," he added.
Comments from Jet Airways and SpiceJet were expected.
On November 6, Boeing announced that it has issued an Operations Manual Bulletin (OMB) requesting operators to follow flight crew procedures to address situations where an erroneous entry from a flight crew AOA sensor was used.
On October 30, the Minister of Civil Aviation, Suresh Prabhu, said that the DGAC had been tasked with examining the engines and other problems related to airlines after the accident. In Indonesia.
The DGAC examined the performance of Boeing 737 MAX 8s operated by Jet Airways and SpiceJet. The review took place a day after the crash of a Lion Air Boeing 737 MAX 8 aircraft into the sea shortly after taking off from Jakarta. There were more than 180 people on board.
The watchdog had also asked Boeing and the US Federal Aviation Authority (FAA) to provide detailed information on the accident.
In September, the Minister asked the concerned officials to prepare a comprehensive safety audit plan, which included an assessment of the safety parameters of all airlines, aerodromes, flight schools, and maintenance, repair and maintenance organizations. planned revision.