Service difficulty report · Warning System · Boeing 777222

Difficulty date
December 27, 2012
Submitted
February 1, 2013
Operation
Air carrier
Aircraft
N213UA
Make and model
Boeing 777222
Aircraft serial
30219
Aircraft time
45,005 hours, 9,733 cycles
Engine
Pwa PW4077
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
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 1 BODY FAILURE OF BODY DUCT LEAK DETECTION LOOP OR LEFT DUCT LEAK OVERHEAT DETECTION SYSTEM (DLODS) CARD. STATUS - NO TIME TO TROUBLESHOOT. PER FIM 26-18 TASK 804 INITIAL EVALUATION MAT TEST SHOWS CURRENTLY NOT ACTIVE, SUSPECT INTERMITTENT FAULT, MESSAGE 26-32181 OCCURRED ONLY ONCE. NO PREVIOUS HISTORY. OK TO CONTINUE.