Service difficulty report · Control Valve · Boeing 767306

Difficulty date
April 21, 2018
Submitted
April 24, 2018
Operation
Air carrier
Aircraft
N1409A
Make and model
Boeing 767306
Aircraft serial
27960
Aircraft time
88,146 hours, 16,361 cycles
Part
Control Valve
Part number
3987505
Part serial
2583
Condition
Faulted
Location
Lt A/C Pack
Stage of operation
LD
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

LEFT PACK TEMP ILLUMINATED ON SHORT FINAL AND AGAIN DURING TAXI IN. TROUBLESHOT THE LEFT PACK TEMP MESSAGE IAW FIM 21-51 FT 848, FOUND PACK TEMP CONTROL VALVE TO BE AT FAULT, REMOVED AND REPLACED THE PACK TEMP CONTROL VALVE IAW AMM 21-51-12. INSTALLATION TEST GOOD IAW AMM 21-51-12.