Service difficulty report · Frame · Boeing 7377H4

Difficulty date
August 13, 2026
Submitted
August 18, 2026
Operation
Air carrier
Aircraft
N294WN
Make and model
Boeing 7377H4
Aircraft serial
32540
Aircraft time
80,753 hours, 48,107 cycles
Engine
Cfmint CFM567B242
Part
Frame
Part number
3401662050
Part serial
DB169779
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 CRACK AT STRUT #16 C1 HAS GROWN TO 1.00" AND NEW CRACK AT STRUT NR 1 C2 MEASURED 0.30" (ENG 01) ENGINE LPT REAR FRAME CRACK AT STRUT #16 C1 HAS GROWN TO 1.00" AND NEW CRACK AT STRUT NR 1 C2 MEASURED 0.30" STURT #16/C1 1.00" STRUT #1/ C2 0.30 COMPLIED WITH EA M-21-172-00812.

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