Service difficulty report · Web · 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
Web
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

RIGHT HAND 663 VAPOR BARRIER WEB IS CRACKED AT RBL 31 W/L 162<[01] EVALUATED R/H 663 VAPOR BARRIER AND FOUND PREVIOUS REPAIR 6.0' FAILED. FOUND TO BE REPAIRABLE. IAW B737-700 SRM 57-10-10-2R-2 PAR 1A& NOTE. CLEAN AND PREP. IAWB737-700 SRM 51-70-04-2R-10 PAR4A-C. VERIFIED MATERIALS AS: BMS 8-301 (A182489); BMS 9-3 (A162523). IAW B737-700 SRM 51-70-04-2R-0 TABLE 203. NEED OK TO BOND.;[02] VERIFIED STEP 1 AND OK TO BOND;[03] BONDED REPAIR PLIES. IAW B737-700 SRM 51-70-04-2R-10 PAR 4 D-G. AAR OVEN BO-06 D.D. 7-27-23 150DEG 2HRS.;[04] VERIFIED STEP 3;[05] RESTORED DECORATIVE FINISHES TO 2EA. REPAIR AREAS IAW SRM 57-70-04-2R-0 STEP 4.P.;[06] VERIFIED STEP 5;[07] AUDIT CW

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