Service difficulty report · Connector · Boeing 777222

Difficulty date
January 21, 2008
Submitted
February 14, 2008
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
48,963 hours, 9,306 cycles
Engine
Pwa PW4077
Part
Connector
Condition
Damaged
Location
Fire Detection
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

BLEED LOOP 2 BODY FAILURE OF BODY DUCT LEAK DETECTION LOOP OR RIGHT DUCT LEAK OVERHEAT DETECTION SYSTEM (DLODS) CARD. SUSPECT POSSIBLE HIGH RESISTANCE. CONNECTOR DP8402 PINS 45 AND 46 HAVE A RESISTANCE OF 136.9 OHMS. SHOULD BE 128.7 (+-12.9) . RE-TORQUED CONNECTORS TO CARD. MEASURES WITHIN LIMIT. ACFT OK FOR SERVICE.