Service difficulty report · Controller · Boeing 777222

Difficulty date
April 4, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N212UA
Make and model
Boeing 777222
Aircraft serial
30218
Aircraft time
38,708 hours, 8,456 cycles
Engine
Pwa PW4077
Part
Controller
Part number
339910230
Part serial
242
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT PRSOV MSG DISPLAYED PRIOR TO DEPARTURE. ALSO RECEIVED STATUS MESSAGE R FAMV. BITE CHECK, ENG RUN NO HELP. PRSOV MANUALLY LOCKED CLSD. REPLACED PRSOVC. ALSO ACCOMPLISHED PNEU HEALTH CHECK. OPS CHECK NORMAL. LOCKED OUT R FAMV PER MEL 3611F. CHECKED WIRING TO FAMV FROM ASCPC TO DV36118, CHECKS GOOD 5VAC TO PINS 1 & 2 OF DV36118 CHECKS GOOD TOO. ACP'D PNEUMATIC HEALTH CHECK ON FAMV PER MM. HPFAC EXCEEDED UPPER LIM READING 48 PSI. HPFAC NEEDS TO BE REPLACED (PCN 646-9027). HPFAC REPLACED PER MM, OPS CHECK OKAY.