Service difficulty report · Support · Boeing 7377H4

Difficulty date
May 2, 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
Support
Condition
Corroded
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

CORROSION ON FORWARD CARGO BAY AFT BULKHEAD SUPPORT AT STA 500D; RBL 15 & 23; WL 156.<[01] FOUND TO NO ALLOWABLE LIMITS PER B 737-700 SRM 53-00-53-1A-2;[02] VERIFIED CORRECTIVE ACTION 1.;[03] REMOVED BULKHEAD SUPPORT PER 51-40-02;[04] AFTER FURTHER INVESTIGATION FOUND TO BE ALLOWABLE TO REPAIR PER B737-700 SRM53-30-08-1A-1 FIGURE 103 DATEIL A-A;[05] ACCOMPLISHED STEPS 1;2;[06] VERIFIED CORRECTIVE ACTION 3-5;[07] TREATED AREAS IAW SOPM 20-42-01 AND PRIMED IAW SRM 51-20-01 OK TO PAINT;[08] VERIFIED CORRECTIVE ACTION 7 OK TO PAINT;[09] PAINTED AREA PER AMM 737-700 51-21-00;[10] OK TO INSTALL.;[11] VERIFIED CORRECTIVE ACTION 10 AND MEASUREMENT TABLE<BR>OK TO INSTALL GIVEN;[12] INSTALLED FORWARD CARGO BAY AFT BULKHEAD SUPPORT AT STA 500D; WL 156 I.A.W SRM 51-40-02-0G-0 AND DWG 143A9481.;[13] VERIFIED CORRECTIVE ACTION 12;[14] JOB COMPLETE

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