Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
June 11, 2021
Submitted
July 7, 2021
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
32,578 hours, 19,816 cycles
Part
Vapor Barrier
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

CRACKED LOWER R/H COMPOSITE BULKHEAD AT BS663 RBL50 WL163. ; / [01] IDENTIFIED BS663 VAPOR BARRIER IAW SRM 57-10-10-0I-2 FIGURE 2 ITEM 4 AND TABLE 2 ITEM 4. DAMAGE IS BEYOND ALLOWABLE LIMITS IAW SRM 57-10-10-1A-2 PARA 4.D.(1) AND WILL BE REPAIRED IAW SRM 51-70-04-2R-10 PER SRM 57-10-10-2R-2 PARA 1.C. VALIDATED SRM 57-10-10-2R-2 AND SRM 51-70-04-2R-10. REMOVED AN APPROXIMATE 10' LENGTH OF CRACK DAMAGE LOCATED AT RBL50; WL163 AND PREPARED DAMAGE AREA FOR REPAIR IAW SRM 51-70-04-2R-10 PARA 4.A-C.;

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