Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
July 7, 2026
Submitted
July 28, 2026
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
71,315 hours, 42,907 cycles
Part
Stub Frame
Condition
Cracked
Location
Zone 100
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

BS 616 RH STUB BEAM STRAP 2EA LOWER FWD AND FWD-MIDDLE FASTENER HOLES WITH CRACKS IN AFT DIRECTION NOTED DURING OHEC INSP TTG8Q01BLV7Z STEP 19(C)1), AND 2). DISPLACED BS 616 R/H STUB BEAM TO FOM IAW SRM 51-40-02-0G-0 INSTALLED 100% PERMANENT FASTENERS (14) WITHIN SEALANT SQUEEZE OUT TIME IAW SOPM 20-50-19.

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