Service difficulty report · Support · Boeing 7377H4

Difficulty date
June 22, 2020
Submitted
July 21, 2021
Operation
Air carrier
Aircraft
N927WN
Make and model
Boeing 7377H4
Aircraft serial
36889
Aircraft time
40,706 hours, 24,553 cycles
Part
Support
Condition
Cracked
Location
Bs 303
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

CRACK INNER CHORD LOWER SILL LOCATED AT BS.303.9 L/H SIDE AT FWD GALLEY AREA / REPLACED INNER CHORD LOWER SILL LOCATED BTW BS360 TO BS270 L/H SIDE AT FWD GALLEY AREA I.A.W B737-700 SRM 51-10-02 ITEM 9 AND DROWING #141A8110 REV A

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