Service difficulty report · Circuit Card · Boeing 7673S1

Difficulty date
July 16, 2019
Submitted
July 17, 2019
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
88,761 hours, 18,870 cycles
Part
Circuit Card
Part number
285T009311
Part serial
D00155
Condition
Defective
Location
Ac Bay
Stage of operation
UK
How discovered
C
Nature of condition
O
Precautionary procedure
O

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

What was found

L PACK TEMP WHILE IN AUTO. QRH LED TO POSITION IN STBY MODE, LT PACK TEMP CAUTION EXTINGUISHED. (<P>ITEM TRANSFERRED TO MEL 21-51-03-01, CAT C, DUE DATE 26-JUL-19, MDDR 114876. </P><P>LP 1081077 - M3: REMOVED AND REPLACED LT PACK TEMP CONTROL P.C. ASSY IAW AMM 21-51-09. PACK TEMP CONTROL BITE TEST GOOD IAW FIM 21-51 FT 803. LT PACK OPS TEST GOOD IAW AMM 21-51-00. THIS CLEARS MDDR 114876. PLACARDS REMOVED.</P>)

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