Service difficulty report · Status Message · Boeing 767328

Difficulty date
March 4, 2020
Submitted
March 12, 2020
Operation
Air carrier
Aircraft
N1499A
Make and model
Boeing 767328
Aircraft serial
27428
Aircraft time
79,847 hours, 17,627 cycles
Part
Status Message
Condition
False Activation
Location
Cockpit
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

L ENG OH LP 1 STATUS MSG.(<P>TRANSFERRED TO MDDR #125372 I.A.W MEL 26-11-02-01, CAT C.</P><P>LP 1208441: PERFORMED FIM TASK 26-11 FAULT TREE 804 FOR ENGINE FIRE DETECTION SYSTEM BITE PROCEDURES, COULD NOT DUPLICATE THE L ENG ON LP 1 STATUS MSG. OPS CHECKS NORMAL AT THIS TIME. C/W WO # 63683 WITH ACCOMPLISHMENT OF TROUBLESHOOTING. DMI REMAINS OPEN FOR FURTHER TROUBLESHOOTING.</P><P>LP 1208451: PERF. DVI AND CLEANING OF ALL FIRE DET. ELEMENTS. NO DEFECTS NOTED. PER AMM 26-11-02/701. RERACKED ENG #1 LOOP 1 AFOLTS CARDS PER AMM 26-11-02. PERF ENG. FIRE 1 OVERHEAT TEST IAW AMM 26-11-01. TEST OK. PERF ENGINE RUN IAW AMM 71-00-00, COULD NOT DUPLICATE. NO MSG NOTED.</P><P>LP 1208456: OBSERVED NO EICAS MSG PER MCC, THIS CLEARS DMI 125372, PLACARD REMOVED.</P><P><BR /></P>)