Service difficulty report · B-Nut · Boeing 737824

Difficulty date
October 16, 2020
Submitted
October 16, 2020
Operation
Air carrier
Aircraft
N73283
Make and model
Boeing 737824
Aircraft serial
31606
Aircraft time
54,134 hours, 19,251 cycles
Engine
Cfmint CFM567B262
Part
B-Nut
Condition
Backed Out
Location
Engien Oil Sys
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

OIL QTY NUMBER 2 ENG READ ZERO AFTER TAKE OFF INITIAL INSPECTION, FOUND B-NUT LINE BACKED OFF FROM OIL PRESSURE SENSOR. LINE IS MARKED WITH YELLOW TAPE. SEE PICTURE AND ADDED 18 QTS MJ2 OIL TO FULL RE-SECURED B-NUT ON OIL PRESSURE MANIFOLD. ACCOMPLISHED 10 MINUTES PART POWER LEAK CHECK PER AMM TASK 71-00-00-700-823-F00. NO LEAKS NOTED