B787 minimum Oxygen pressure and ENG Oil for dispatch
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Joined: Sep 2009
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From: ToraBora
B787 minimum Oxygen pressure and ENG Oil for dispatch
B787 FCOM states:
Verify that the following are sufficient for flight:
Unlike other aircraft types, the B787 FCOM does not define what is considered sufficient when it comes to engine oil.
For both oxygen pressure and oil quantity:
Verify that the following are sufficient for flight:
- Oxygen pressure
- Hydraulic quantity
- Engine oil quantity
Unlike other aircraft types, the B787 FCOM does not define what is considered sufficient when it comes to engine oil.
For both oxygen pressure and oil quantity:
- any idea where to find more information about this? The FCOM is supposed to provide sufficient guidance for the crew to operate an aircraft safely and legally, but it looks like Boeing has a different concept!
- Have your airline established a specific baseline figure for the crew? If so, are these figures added to the FCOM or in a separate SOP document?
Joined: Dec 2003
Posts: 2,348
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From: Tring, UK
On the 777 it shows LO against a highlighted oil quantity and RF against hydraulic quantity if the aircraft thinks they need servicing. Not sure if the 787 is similar? For us, fluid replenishment is an Engineering-only function and the FCOM does not define a minimum quantity for RR engines.
Thread Starter
Joined: Sep 2009
Posts: 7
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From: ToraBora
On the 777 it shows LO against a highlighted oil quantity and RF against hydraulic quantity if the aircraft thinks they need servicing. Not sure if the 787 is similar? For us, fluid replenishment is an Engineering-only function and the FCOM does not define a minimum quantity for RR engines.
Same on the 787, but waiting for the LO and RF indication is like taking whatever fuel in tanks and deciding where to go when the low fuel indication triggers
The crew are responsible for applying the FCOM procedures. I am not sure if airlines are permitted to modify this section of the FCOM; but I think Boeing should either provide sufficient guidance or remove the write-up from the FCOM if this is an engineering responsibility.
Joined: Oct 2009
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From: Australia the Awesome
I've been off the aircraft for 4 years, so my memory isn't accurate.
Turns out it is in the "Company Procedures section" of the FCOM
• Carry out the remainder of the preliminary preflight procedures
(indicated engine oil quantity must be at least 12 liters plus 0.25 liters
per planned flight hour);
Turns out it is in the "Company Procedures section" of the FCOM
• Carry out the remainder of the preliminary preflight procedures
(indicated engine oil quantity must be at least 12 liters plus 0.25 liters
per planned flight hour);
Joined: Sep 2001
Posts: 1,030
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From: Blighty
Engine Oil. Min recommended EICAS 12 QTS (GEnX)
However, if its ETOPS maintained then it should be serviced to full at each Transit check. Approx 21 on EICAS.
APU OIL LIMITS.
RUNNING. 3,75 OFF. 8.0
MAY BE OPERATED FOR 26HRS (if below)
AMM 12-13-04
Below 8.0 or 3.75 REFILL.
Two Crew Oxygen Requirements.
Min approx 500psi/660L
These are the requirements for one particular airline. EASA 145 approved.
However, if its ETOPS maintained then it should be serviced to full at each Transit check. Approx 21 on EICAS.
APU OIL LIMITS.
RUNNING. 3,75 OFF. 8.0
MAY BE OPERATED FOR 26HRS (if below)
AMM 12-13-04
Below 8.0 or 3.75 REFILL.
Two Crew Oxygen Requirements.
Min approx 500psi/660L
These are the requirements for one particular airline. EASA 145 approved.
