Service difficulty report · Compressor · Boeing 7378

Difficulty date
August 18, 2026
Submitted
August 25, 2026
Operation
Air carrier
Aircraft
N815AK
Make and model
Boeing 7378
Aircraft serial
68539
Aircraft time
2,640 hours, 864 cycles
Engine
Cfmint LEAP1B28
Engine time
2,640 hours, 864 cycles
Part
Compressor
Condition
Damaged
Location
Lt Engine
Stage of operation
DE
How discovered
O
Nature of condition
B
Precautionary procedure
O

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

What was found

CREW REPORTED TO SEAMC, THAT THEY HAD SMOKE AND FUMES ODOR IN THE CABIN. REFERENCE LOG PAGE 61347723 FOR #1 ENGINE VIBRATION AND INFLIGHT SHUTDOWN. GROUNDED - YES. REPLACED #1 ENGINE REF LG PG 61347723 PERFORMED CONDITIONAL INSPECTION REF AMM 05-51-56-200-801. #1 ENG HPC STAGES 3-10 DAMAGED BEYOND LIMITS REF TSR719946. SOURCE OF SMOKE AND ODOR IS FROM FAILED ENGINE #1. THIS COMPLETES CONDITIONAL INSPECTION AND A/C OK FOR SERVICE AND VERIFIED AFTER ENGINE REPLACEMENT #1 NO ODOR OR FUMES PRESENT.

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