Service difficulty report · Strut · Boeing 7377H4

Difficulty date
July 27, 2026
Submitted
August 1, 2026
Operation
Air carrier
Aircraft
N214WN
Make and model
Boeing 7377H4
Aircraft serial
32486
Aircraft time
66,967 hours, 35,658 cycles
Engine
Cfmint CFM567B242
Part
Strut
Part number
3401662080
Part serial
DC064374
Condition
Cracked
Location
Zone 400
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

LPT REAR FRAME HAD 2 ADDITIONAL CRACKS FOUND TOTALING 5 WHEN PERFORMING 7256-I-11716-NG. FRAME ASSEMBLY, TURBINE REAR FRAME MOUNT STRUT INSPECTION) [TTG8Q01BASK1] KNOWN FAULTS: NR 2 ENGINE TRF STRUT NR 1 AT LOCATION C1 HAS A CRACK MEASURING .200 LONG. TTG8Q01BANLQ, NR 2 ENGINE TRF STRUT NR 2 AT LOCATION C1 HAS A CRACK MEASURING .300 LONG. TTG8Q01BANP6, NR 2 ENGINE TRF STRUT NR 15 AT LOCATION C1 HAS A CRACK MEASURING .400 LONG. TTG8Q01BANG3 NEW FAULTS: TRF STRUT NR 1 LOCATION C2 LARGEST CUMULATIVE CRACK LENGTH OF 0.200 INCH. TTG8Q01DDRW6, TRF STRUT NR 15 LOCATION C2 LARGEST CUMULATIVE CRACK LENGTH OF 0.170 INCH TTG8Q01DDRA4, TSR 2026004729 & 2026004732 REVIEW C/W.

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