Service difficulty report · Fuel Nozzle · Boeing 7378

Difficulty date
March 24, 2026
Submitted
April 1, 2026
Operation
Air carrier
Make and model
Boeing 7378
Aircraft serial
43727
Aircraft time
12,776 hours, 5,027 cycles
Engine
Cfmint LEAP1B28
Engine time
11,937 hours, 4,757 cycles
Part
Fuel Nozzle
Part number
2085M31G03
Condition
Failed
Location
Nr 4 Engine
Stage of operation
TX
How discovered
O
Nature of condition
B, G
Precautionary procedure
D

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

What was found

NR 4 ENGINE START ATTEMPTS NOT SUCCESFUL, GROUND PERSONELL REPORTS SMOKE. FUEL NOZZLE FULL SET REPLACEMENT WAS PERFORMED IAW AMM TASK 73-11-05-000-802-G00 AND TASK 73-11-05-400-802-G00. IDLE LEAK TEST N° 4 WAS PERFORMED IAW AMM TASK 71-00-00-790-804-G00. ENGINE IDLE SYSTEM TEST N° 32 WAS PERFORMED IAW AMM TASK 71-00-00-700-808-G00.

More about the Boeing 737-8