Service difficulty report · Seal · Boeing 7379GPER

Difficulty date
July 28, 2026
Submitted
July 31, 2026
Operation
Air carrier
Aircraft
N938DZ
Make and model
Boeing 7379GPER
Aircraft serial
37291
Aircraft time
32,850 hours, 20,352 cycles
Engine
Cfmint CFM567B27
Part
Seal
Condition
Damaged
Location
Fan Blades
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING CLIMBOUT, NR 2 ENGINE REACHED V.I. 4.4 WITH IN AT 95. COMPLIED WITH QRH DISCONNECTED AUTO THROTTLE REDUCED NR 2 ENG TO BELOW 4.0VUB AND OPERATED REST OF FLIGHT AT REDUCED POWER. PERFORMED NR 2 ENG FAN LUBE IAW W/C7221-6127 FOUND PLATFORMS 18, 8, & 7 SEALS DAMAGED. REPLACED THE PLATFORMS AND RESPECTIVE PAIRS (6 TOTAL) IAW W/C 7221-6127. VIBES NOW 0.4 AT 96 N2. ACFT OK FOR SVC. (9587300) AIRCRAFT WAS GROUNDED.

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