Service difficulty report · Pump · Boeing 7378H4

Difficulty date
March 30, 2026
Submitted
April 1, 2026
Operation
Air carrier
Aircraft
N8552Z
Make and model
Boeing 7378H4
Aircraft serial
63580
Aircraft time
27,883 hours, 14,223 cycles
Engine
Cfmint CFM567B27E
Part
Pump
Condition
Faulted
Location
Right
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

RIGHT SIDE FUEL FILTER BYPASS LIGHT ILLUMINATED DURING CLIMBOUT AND AFTER LEVEL OFF. LIGHT ILLUMINATED AND EXTINGUISHED MULTIPLE TIMES. REMOVED AND REPLACED NR 2 FUEL PUMP PACKAGE IAW MM 73-11-01, REF TTG8Q01BDU5. PERFORMED TEST 15 IAW MM 71-00-00. OPS & LEAK CHKD GOOD.

More about the Boeing 737-8H4