Service difficulty report · Filter · Boeing 767375

Difficulty date
February 26, 2020
Submitted
March 2, 2020
Operation
Air carrier
Aircraft
N1709A
Make and model
Boeing 767375
Aircraft serial
24086
Aircraft time
93,827 hours, 21,975 cycles
Part
Filter
Condition
Dirty
Location
Bleed Air Sys
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

INFO & DUCT PRESSURE BELOW OPTIMUM 21 PSI UNTIL START VALVE OPEN DURING RIGHT ENGINE START.(<P>PERFORMED DRY MOTORIZED R/H ENG IAW AMM 71-00-00, VERIFIED PNEUMATIC PRESS I.A.W. AMM 36-11-00 PRESSURE WITHIN LIMITS, 30 PSI. SEE LOG PAGE #1197014.<BR /></P><P>LP 1197014: PERFORMED CHECK R/H ENG PRSOV CONTROL PRESSURE FILTER I.A.W. F.I.M. 36-10 FAULT TREE 840, PROCEED TO CLEAN FILTER I.A.W. AMM 36-11-09. OPS TEST OK. PNEUMATIC PRESSURE 30 PSI.<BR DATA-MCE-BOGUS="1" /></P><P><BR DATA-TEMP="1" /></P>)