Service difficulty report · Valve · Boeing 76737D

Difficulty date
October 18, 2019
Submitted
October 21, 2019
Operation
Air carrier
Aircraft
N1327A
Make and model
Boeing 76737D
Aircraft serial
26328
Aircraft time
84,699 hours, 12,548 cycles
Part
Valve
Part number
4200351
Part serial
002
Condition
Failed
Location
Manifold
Stage of operation
TX
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

"FWD EQPT VAL" EICAS AFTER LEFT ENGINE START. QRH FOLLOWED, "VALVE" LIGHT ON EQUIP COOLING PANEL FAILED TO EXTINGUISH.(<P>PERFORMED FIM TASK 21-58 FT 899, SUSPECT BAD MANIFOLD INTERCONNECT VALVE. REMOVED AND REPLACED MANIFOLD INTERCONNECT VALVE IAW AMM 21-58-01, NO FAULTS NOTED.<BR /></P><P>LP 1109323 - ITEM 1: SWAPPED K488 RELAY, P/N: BACR13CF2AB WITH K2193 RELAY, P/N: BACR13CF2AB IAW SWPM 20-81-22. OPS CHECK GOOD, NO FAULTS NOTED IAW AMM 21-58-01.</P>)

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