Service difficulty report · Controller · Boeing 76731K

Difficulty date
February 24, 2019
Submitted
February 26, 2019
Operation
Air carrier
Aircraft
N1487A
Make and model
Boeing 76731K
Aircraft serial
28865
Aircraft time
84,563 hours, 16,998 cycles
Part
Controller
Part number
211738815
Part serial
1481560
Condition
Faulted
Location
Cabin Pressure
Stage of operation
NR
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

CABIN ALT. AUTO 2 STATUS MESSAGE. (<P>PERFORMED FIM 21-31 FT 803 AT STEP 2 FOUND CONTROLLER M119 FAULT CONTROLLER. SWAPPED CONTROLLER M118 AND M119 PER B767 AMM 21-31-02 FAULT FOLLOWS, CONTROLLER ORDERED. TRANSFERRED MDDR 107776 AS PER DDG 21-21-01A CAT "C" R&R AUTO PRESSURE UNIT ASSY. NO 2 REF.</P>)

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