Service difficulty report · Valve · Boeing 767375

Difficulty date
July 19, 2019
Submitted
July 26, 2019
Operation
Air carrier
Aircraft
N649GT
Make and model
Boeing 767375
Aircraft serial
25864
Aircraft time
89,362 hours, 23,008 cycles
Part
Valve
Part number
32896961
Part serial
3346
Condition
Faulty
Location
Ac Bay
Stage of operation
NR
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

EICAS RIGHT PACK TEMP, RIGHT PACK OFF. ACCOMPLISHED QRH PROCEDURES. (<P>PERFORMED PACK CONTROL SYSTEM BITE TEST IAW FIM 21-51-00, NO FAULTS NOTED, PACK OPS CHECK NORMAL.</P><P>LP 823381 - M5: RIGHT PACK FAILED ON GROUND. TRANSFERRED TO MDDR 115034 AS PER DDG 21-51-03, CAT "C". PACK TEMP CONTROL AUTO MODE INOP. </P><P>LP 823385 - M9: PREFORMED PACK TEMP CONTROLLER BITE TEST, FOUND LOW LIMIT VALVE FAULTY. REMOVED AND REPLACED LOW LIMIT VALVE, OPS AND LEAK CHECK GOOD. ALL WORK DONE PER AMM 21-51-14 AND 21-51-11. THIS CLEARS DMI 115034.</P><P><BR DATA-MCE-BOGUS="1" /></P><P>NOTE: ACCOMPLISHED DURING A-CHECK (MIA), REF NRC 00011.</P>)