Service difficulty report · Control Valve · Boeing 767306

Difficulty date
May 4, 2019
Submitted
May 9, 2019
Operation
Air carrier
Aircraft
N647GT
Make and model
Boeing 767306
Aircraft serial
27611
Aircraft time
80,271 hours, 20,870 cycles
Part
Control Valve
Part number
3987505
Part serial
P273C
Condition
Faulty
Location
Ac Bay
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
H

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

What was found

LT PACK INOP.(<P>TRANSFERRED TO MDDR 111166 MEL 21-51-01-01.</P><P>REF LOG PAGE 958476 ITEM M3; REMOVED AND REPLACED ACM IAW AMM 21-51-03. ACM CHECK NORMAL. PER SUBTASK 21-51-031-744-047 BITE CHECK LEFT PACK TEMP CONTROL. FOUND TEMP CONTROL VALVE FAULTY. ACM OFF S/N 33-2729 OFF P/N 680540-4</P><P>REF LOG PAGE 9548480 ITEM M2; REMOVED AND REPLACED LEFT PACK TEMP CONTROL VALVE IAW AMM 21-51-12. OPS CHECK GOOD. THIS CLEARS DMI 111166. </P>)