Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date
May 17, 2023
Submitted
May 31, 2023
Operation
Air carrier
Aircraft
N248WN
Make and model
Boeing 7377H4
Aircraft serial
32509
Aircraft time
56,491 hours, 34,070 cycles
Part
Vapor Barrier
Part number
UNKNOWN
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

LEFT HAND 663 VAPOR BARRIER WEB IS CRACKED AT LBL 31 W/L 162<[01] EVALUATED DAMAGE; LEFT HAND 663 VAPOR BARRIER IS REPAIRABLE IAW B737 57-10-10-2R-2 REPAIR 2. <BR><BR>CLEANED AND PREPPED REPAIR AREA IAW B737 SRM 51-70-04-2R-10 REPAIR 10 PAR 4 STEP A;B; AND C.<BR><BR>VERIFIED REPAIR MATERIALS IAW B737 SRM 51-70-04-2R-0 TABLE 203; FIBERGLASS CLOTH BMS9-3(A164924); RESIN EY3804 (A182489).<BR><BR>REQUIRES OKAY TO BOND.;[02] VERIFIED ACTION ITEM 1<BR><BR>OK GIVEN TO BOND REPAIR;[03] BONDED REPAIR PLIES IAW B737 SRM 51-70-04-2R-10 PAR 4 STEPS D;E;F; AND G. TAP TEST GOOD. OVEN B0-06 CAL DUE 7/27/23.;[04] VERIFIED ACTION ITEM 3;[05] RESTORED FINISHES TO REPAIR AREAS IAW SRM 51-70-04-2R-0 STEP4.P.;[06] VERIFIED TASK COMPLETE

More about the Boeing 737-7H4