Service difficulty report · Control Valve · Boeing 76731K

Difficulty date
August 20, 2018
Submitted
August 23, 2018
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
102,976 hours, 19,799 cycles
Part
Control Valve
Part number
3987505
Part serial
2401
Condition
Faulty
Location
Ac Bay
Stage of operation
CR
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

"LT PACK TEMP" EICAS AFTER LEVEL OFF AT FL 360. ACCOMPLISHED QRH, PACK SELECTED TO STBY N AND EICAS PACK INOP LIGHT EXTINGUISHED. REMOVED AND REPLACED LT PACK TEMP CONTROL VALVE IAW AMM 21-51-12. OPS CHECK GOOD. A/C OK FOR SERVICE.

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