Service difficulty report · Valve · Boeing 767306

Difficulty date
October 13, 2021
Submitted
October 20, 2021
Operation
Air carrier
Aircraft
N1399A
Make and model
Boeing 767306
Aircraft serial
27959
Aircraft time
94,549 hours
Part
Valve
Part number
3964961
Part serial
1024
Condition
None
Stage of operation
NR
How discovered
V
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

RIGHT PACK INOP AUTO MODE.(<P>TRANSFERRED TO MDDR 155078 PER MEL 21-51-03-01, CAT C.</P> / <P>REMOVED AND REPLACED RH PACK FLOW CONTROL AND SHUTOFF VALVE IAW AMM 21-51-01. OPS CHECK GOOD. NO DEFECTS NOTED.</P> / <P>19OCT- CVG MX, REMOVED AND REPLACED ACM TEMP CONTROL VALVE R/H IAW B767-300 AMM 21-51-12, OPS CHECK GOOD. NO FAULTS FOUND, THIS ACTION CLEARS DMI # 155078. MCC NOTIFIED. ALL PLACARDS REMOVED. PERFORMED AIR SUPPLY BITE MODULE. BITE CHECK GOOD, NO FLAGS FAULTED. P/N OFF: 398750-5, S/N OFF: 2929P.</P>)