Service difficulty report · Vapor Barrier · Boeing 737*

Difficulty date
November 1, 2021
Submitted
November 19, 2021
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 737*
Aircraft serial
36679
Aircraft time
32,623 hours, 19,737 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Center Wing
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

LEFT HAND VAPOR BARRIER IS CRACKED AT BS 663; LBL 40 TO 48. ; / [01] REMOVED 1EA PLACARD FROM FWD OB SURFACE (BAC27DHY0286)<BR><BR>IDENTIFIED MATERIAL OF LEFT HAND VAPOR BARRIER IAW SRM 57-10-10-0I-2 FIGURE 1-2; ITEM #4; TABLE 2<BR><BR>DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PARA 4.D(1)<BR><BR>14] CURED REPAIR; UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-04-2R-10 PARA 4.F&H; [REPAIRED CRACK IN LEFT HAND VAPOR BARRIER AT BS 663 LBL 40 TO LBL 48 IAW SRM 51-70-04-2R-10; [18] VERIFIED STEP 14 RII; [19] VERIFIED CORRECTIVE ACTION 17 REPAIR COMPLETE; [20] VERIFIED RII STEPS REPAIR COMPLETE