Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
December 22, 2018
Submitted
March 1, 2022
Operation
Air carrier
Aircraft
N730SW
Make and model
Boeing 7377H4
Aircraft serial
27862
Aircraft time
69,470 hours, 40,669 cycles
Part
Stiffener
Part number
111A1301U5
Condition
Cracked
Location
Ecs Bay Lh
Stage of operation
IN
How discovered
9
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

45 DEGREE ATTACH ANGLE FWD SIDE OF STA 663 L/H VAPOR BARRIER WEB CRACKED / P/N FOR 663 VAPOR BARRIER STIFFNERS 45 DEGREE 111A1301U5 IAW BOEING DWG 111A10001 REV F LOCATED AND DRILLED 45 DEGREE STIFFNER IAW BOEING DWG 111A1001 REV F; INSTALLED 45 DEGREE STIFFNER 663 VAPOR BARRIER IAW BOEING DWG 111A1001 REV F

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