Service difficulty report · Controller · Boeing 76734AF

Difficulty date
July 30, 2011
Submitted
August 1, 2011
Operation
Air carrier
Aircraft
N322UP
Make and model
Boeing 76734AF
Aircraft serial
27748
Part
Controller
Condition
Malfunctioned
Location
Cabin Pressure
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

INSPECTION TYPE:ETOP, AUTO CABIN PRESS CONT SYS NR 2 (1 SYS INOP) REF TO WAN NR 1785042 AND DMI 458926. REF TO FIM 21-31-00 PERFORMED CABIN PRESS CONTROLLER BITE ON SYS NR2 FOUND SYS IS OK ALSO OPS CK OF OUTFLOW VALVE IAW AMM 21-31-00-5 SATIS NI O MORE MSG AT EICAS. DEFERRAL CLOSED AND PLACARD REMOVED.

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