Service difficulty report · Circuit Board · Boeing 767223

Difficulty date
August 17, 2013
Submitted
September 6, 2013
Operation
Air carrier
Aircraft
N315AA
Make and model
Boeing 767223
Aircraft serial
22317
Aircraft time
74,692 hours, 17,361 cycles
Engine
Ge CF680A
Engine time
47,845 hours, 36,909 cycles
Part
Circuit Board
Part number
285N002821
Part serial
167
Condition
Malfunctioned
Location
Overheat
Part time
2,604 hours, 7,153 cycles
Stage of operation
DE
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

EICAS STATUS MESSAGES LT ENG OH LP2 AND LT ENG OH LP 1. EICAS MESSAGE FIRE/OVHT SYS ILLUMINATED ON DESCENT. CONTINUITY CHECK AND RESTANCE CHECK D2834, D2840, PIN 19, 20 READ1.50K, PIN 18 TO PIN 19, 20. OPEN IAW FIM 26-11 FIG 104.LEAKS TEST C/W. NO LEAK AT ALL AROUND LP 1 AND LP 2. CONTINUITY & MEG CHECK D154P, D4230 TO LP 1 &LP 2 NO PROBLEMS FOUND. R & R AFOLTS CARD M10224. OPS CHECKED GOOD IAW AMM 26-11-01.