Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
February 13, 2020
Submitted
February 17, 2020
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
47,344 hours, 28,290 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 663
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 IN R/H CENTER WING VAPOR BARRIER APPROX. 8" LONG FROM RBL 30 TO RBL 36. CRACK IN R/H CENTER WING VAPOR BARRIER APPROX. 8" LONG FROM RBL 30 TO RBL 36. / REPAIRED PER EA NO: 1-A57-13410. THIS IS A TIME LIMITED REPAIR/ACTION. REMOVE ALUMINUM FOIL SPEED TAPE AND INSPECT CRACK(S) FOR ADDITIONAL GROWTH. IF NO ADDITIONAL GROWTH, REAPPLY SPEED TAPE. IF CRACK HAS GROWN BUT IS STILL WITHIN LIMITS OF STEP 1 OF THIS EA, STOP DRILL THE CRACK PER 737-700/-800 SRM 51-10-02 AND APPLY SPEED TAPE

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