Service difficulty report · Control Valve · Boeing 7673Y0

Difficulty date
April 19, 2020
Submitted
April 20, 2020
Operation
Air carrier
Aircraft
N1619A
Make and model
Boeing 7673Y0
Aircraft serial
26208
Aircraft time
74,195 hours, 13,303 cycles
Part
Control Valve
Part number
3987505
Part serial
4369
Condition
Faulty
Location
Ac Bay
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

RH PACK TEMP EICAS MSG(<P><SPAN>T/S IAW B767 FIM 21-51 FT 844, FOUND TEMP CONTROL VALVE FAULT LIGHT ON PTC BUS. RIGHT TEMP CONTROL VALVE NOT IN STOCK. PLACED ON REQ WITH MCC. SEE LP #1189889 ITEM M8 FOR REPLACEMENT.</SPAN></P><P>LP 1189889 - M8: ITEM TRANSFERRED TO DMI #127293 IAW DDG 21-51-01-01, CAT 'C'. </P><P>LP 1190042: REMOVED AND REPLACED RH PACK ACM CONTROL VALVE IAW AMM 21-51-12. OPS CHECKS NORMAL. PERFORMED FIM TASK 21-51-00. NO FAULT LIGHTS NOTED, NO MESSAGES NOTED. OPS CHECKS NORMAL. THIS CLEARS MDDR 127293.</P>)

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