Service difficulty report · Stiffener · Boeing 7377H4

Difficulty date
June 20, 2019
Submitted
June 24, 2019
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
34,442 hours, 20,830 cycles
Part
Stiffener
Part number
11A1308U16
Condition
Cracked
Location
Bs 663 Bulkhead
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

VERTICAL STIFFENER CRACKED AT BS. 663, RBL 25 JUST OUTBOARD OF EXHAUST DUCT FOR PACKS. R&R VERTICAL STIFFENER PER SRM.

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