1. I read AMM somewhere, regarding oxygen system. the line that used for the oxygen flow SHOULD NOT BE titanium type as it will react with oxygen and cause explosions.
2. HST sump draining, remember, there are two electrical switch for u to open the sump drain v/v. one of it is for the L or R v/v. the other switch is for both V/Vs. If no electrical power, there is a manual override button for u to push. And the P211 is at HST compartment
3. As for hot tyre servicing mention by Alvin and HR, if it is long transit time, wait for the tyre to cool for at least 2 hours as decribe in AMM chapter 12. If it is short transit and hot tyre pressure check is needed, check for the tyre pressure(of course the safety precautions must have) and make sure the all the tyre pressure should be more than or above the pressure indicated in the tyre pressure chart. if there is pressure differences between the tyres, do as indicated in AMM.4. Hydraulic servicing, if indications spoil. how to see the sight gage? (Lee Co ques)
--> we have to make assumption that either the fluid level is more than the sight gage or less ( normally is less la as we know that if it is more than the sight gage it is already overservice) . If it is less than sight gage, simple, just top up until u see the level. if it is more than sight gage, drain half pail of the fluid and top up again.
5. MEL (lee co)...
--> He insist that MMEL is actually issued by manufacturer. his thinking is that the authority don know anything abt the aircraft. so the MMEL from his point of view is after aviations manufacturer gather around and write out MMEL, they send it to authority and they will look look see see and then finally think that it is ok den approve and then final say to the world that authority is the one to issue it because they approve it and then manufacturers lan lan and then PLP to authority and say authority issue lo...
--> MEL is issued by flight operations, and actually secretly by quality SIA because flight ops people know nothing much about maintenance (as told by lee co. so don ask me y) and finally approved by CAAS. so involve three party. look at the front page of MEL. it only show sign by chef pilot and CAAS.
--> DA (despatch authorization). G&Gs please remember that ONLY pilot can initiate DA. not engineer. but engineer can sabotage people by convincing him to take a/c. and must involve multiple parties to approve and issue the DA. they are engineer, pilot, flight ops side, engineering side. if either party say NO, means cannot fly liao, die die must ground a/c and retify problem.
if it is despatch from SIN, must get approval from CAAS as well.
thank you, and good luck
regards
PTF
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