Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
April 24, 2023
Submitted
June 1, 2023
Operation
Air carrier
Aircraft
N961WN
Make and model
Boeing 7377H4
Aircraft serial
36962
Aircraft time
37,902 hours, 23,158 cycles
Part
Vapor Barrier
Condition
Cracked
Location
Zn 100 Fus Lower
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

LH VAPOR BARRIER PERVIOUS REPAIR IS CRACKED AT BODY STATION 666 FROM WL20 TO WL 24. LH VAPOR BARRIER PERVIOUS REPAIR IS CRACKED AT BODY STATION 663 FROM WL20 TO WL 24.<[01] IDENTIFIED PART AND MATERIAL IAW SRM 57-10-10-0I-2; FIGURES 1-2; TABLE 2; ITEM [4].<BR>FOUND DAMAGE TO PREVIOUS REPAIR TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PAR 4.D (1) (A) 1).<BR>A PERMANENT REPAIR WILL BE ACCOMPLISHED IAW SRM 51-70-04-2R-10 AS DIRECTED PER SRM 57-10-10-2R-2 PAR 1.C.;[02] VALIDATED REPAIR PER SRM 51-70-04-2R-10;

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