Service difficulty report · Transmitter · Boeing 7272B7

Difficulty date
October 25, 2007
Submitted
November 13, 2007
Operation
Air carrier
Aircraft
N770AT
Make and model
Boeing 7272B7
Aircraft serial
21953
Aircraft time
66,388 hours, 38,924 cycles
Part
Transmitter
Part number
ST104Z
Part serial
8637
Condition
Malfunctioned
Location
Oil Pressure
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

NR 2 ENG OIL TEMP GAGE REDUCED TO 0 DEG ENG OIL PRESS REDUCED TO 20 PSI OIL QUALITY GOOD COMPLETED APPROPRIATE PRECAUTIONARY ENG SHUT DOWN ENG OIL PRESSURE LIGHT FORWARD PANEL DID NOT ILLUMINATE. CK WIRING ON NR 2 ENG OIL TEMP AND OIL PRESSURE, CK WIRING FROM FIRE WALL FWD TO INDICATOR CK'S-GOOD. SUSPECTED WEEK C/B REMOVED AND REPLACED NR 2 ENG OIL TEMP AND OIL PRESSURE BREAKER (P/N BACC18Z3R). REMOVED AND REPLACCED 32 PRESSURE TRANS PER 79-32-1, OPS CK LEAK CK OK.

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