21C: OIL SMELL IN NEO AIRCRAFT FITTED WITH PW1100 ENGINES)

Question 1

Review of notice due to requirement of filling an additional COS (Cabin Odour or Smoke) reporting sheet for further snag isolation.
Smell emanating from an oil leak may be perceived as an

Answer 1

Acrid smell/ Dirty socks odour/ Oil Smell

Question 2

Any oil smell perceived/ reported in the cockpit/ cabin, is to be reported in the FRB. To further strengthen the investigation criteria, operating crew is to ascertain and mention in PDR:

Answer 2

• Flight phase of occurrence of the smell
• Duration of the oil smell noted
• Specific area of the cabin/cockpit where the smell was predominant.
• Time permitting, identify the source of smell by isolation of PACK 1/2 (one at a time).