Service difficulty report · Relay · Boeing 7673S1

Difficulty date
October 2, 2019
Submitted
October 9, 2019
Operation
Air carrier
Aircraft
N640GT
Make and model
Boeing 7673S1
Aircraft serial
25221
Aircraft time
89,286 hours, 19,000 cycles
Part
Relay
Part number
BACR13CG2A
Condition
Malfunctioned
Location
Lt A/C Pack
Stage of operation
CR
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 EICAS MESSAGE. REMOVED AND REPLACED L/H RAM AIR EXHAUST DOOR ACTUATOR IAW AMM 21-53-02, NO HELP. FURTHER T/S REQ. REMOVED AND REPLACED R27, LT PACK AUTO/MANS RELAY IAW SWPM 20-81-18. OPS CHECKED GOOD.

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