Service difficulty report · Exhaust Valve · Boeing 76731K

Difficulty date
November 3, 2019
Submitted
November 19, 2019
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
105,821 hours, 20,721 cycles
Part
Exhaust Valve
Part number
3209953
Part serial
654
Condition
Malfunctioned
Location
Ac Bay
Stage of operation
LD
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

AFTER LANDING, FWD EQUIPMENT VALVE DISPLAYED.(<P>TRANSFERRED TO MDDR 120092 IAW MEL 21-58-01-01, CAT 'C', DUE DATE: 13-NOV-19. PLACARDS INSTALLED. </P><P>LP 1116521 - M3: T/S PER B767 FIM 21-58 FT 985. STOPPED @ STEP 4 FOR REPLACEMENT OF EQUIPMENT COOLING INDICATION CARD, M867 IN THE P50 PANEL. P/N 285T0095-8 ON ORDER. MCC NOTIFIED AND DMI REMAINS OPEN.</P><P>LP 1116523 - M2: REMOVED AND REPLACED PRINTED CIRCUIT CARD #M867 IAW AMM 21-58-00, P50 CARD FILE, NO HELP. DMI 120092 REMAINS OPEN. OFF PART (P/N: 285T0095-8, S/N: D00575).</P><P>LP 1216648 - M9: REMOVED AND REPLACED FORWARD EXHAUST VALVE (V12) IAW B767 AMM 21-58-05, OPS CHECK GOOD. FORWARD EQUIPMENT COOLING AUTO SYSTEM OPS CHECK GOOD. THIS CLEARS MDDR 120092. PLACARDS REMOVED AND MCC NOTIFIED.</P>)

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