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Aviation regulator DGCA directs IndiGo, GoAir to address issues with 15 P&W engines

Press Trust of India  |  New Delhi 

watchdog DGCA has directed and to address issues regarding 15 of the Pratt & Whitney engines powering their neo planes, a senior said Friday.

The two budget carriers have been grappling with P&W engine problems, which has even led to grounding of some neo Together, they have around 82 such planes in their respective fleet.

The latest move by the of Civil (DGCA), which had earlier asked the two airlines to take various corrective measures to address the engine woes, comes after certain issues flagged by US counterpart Federal Administration (FAA).

In a late evening statement, P&W said the recent Airworthiness Directives (ADs) would not cause any operational disruption for the operators.

The DGCA said the requirement for replacement of High Pressure Compressor (HPC) front hub corrosion as mentioned by the FAA would also impact 15 engines powering and GoAir's neo planes.

As many as 13 engines of and 2 engines of would be impacted by the FAA's ADs. The Indian operators have sufficient time to become compliant with the requirement, the added.

The AD requires replacement of HPC front hub corrosion and "action has to be taken within 120 days after effective date or before exceeding 6,180 cycles since new or within five years since the ship date as indicated the AD, whichever occurs first", he said.

The operators have to comply with the directive coming into effect from December 12.

In another AD issued on November 7, the FAA said replacement of some parts of certain P&W engine series installed on neo has to be carried out.

The AD was for replacement of certain parts on "PW 1100 engines from Sl. No. 450 to 614 installed on A320 neo aircraft" to address failure of knife edge seal issue.

According to the official, Indigo and are compliant on the same.

"The DGCA has declared the ADs 'mandatory' and directed the Indian operators to comply within the period as indicated in the ADs," he said.

There were no immediate comments from IndiGo and GoAir.

P&W also said the engine parts would be replaced during planned future shop visit and is therefore predictable for operators.

"P&W is complying with the directives and working closely with our customers to ensure the process is completed within the required timeline," it added.

On Thursday, P&W said the ADs formalise guidance and communication shared with all operators.

Meanwhile, the DGCA on Thursday said it has asked and to take corrective action to address possible issues with their 737 MAX planes that could lead to "significant altitude loss" of the

The directive came after advisories issued by the FAA and after the crash of a 737 MAX plane operated by Indonesia's last month.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Fri, November 09 2018. 22:05 IST