Service difficulty report · Support · Boeing 737*

Difficulty date
November 2, 2021
Submitted
November 22, 2021
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 737*
Aircraft serial
36679
Aircraft time
32,623 hours, 19,737 cycles
Part
Support
Condition
Corroded
Location
Fwd Cargo Bay
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 FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT BS 400+6; +10; +14; +18 RBL 24 WL 156 ; / [01] REMOVED AND EVALUATED DAMAGE; [02] VERIFIED STEPS 1-4 COMPLETE. OUT OF LIMITS.; [03] FABRICATED LOCATED AND DRILLED NEW FCB FLOOR TO SIDEWALL SUPPORT BS 396 TO BS 420 RBL 24 WL 156 IAW SRM 51-40-05-0G-0 ; APPLIED A CHEMICAL CONVERSION COATING IAW SOPM 20-43-03 ; OK TO PRIME; [04] FABRICATED LOCATED AND DRILLED NEW FCB FLOOR TO SIDEWALL SUPPORT ; BS 396 TO BS 420 RBL 24 WL 156 ;MATERIAL USE BAC1496-444#7075T62 EXTRUSION LOT # 1466509-1 IAW SRM 51-40-05-0G-0 ; APPLIED A CHEMICAL CONVERSION COATING IAW SOPM 20-43-03 ; OK TO PRIME; [05] VERIFIED CORRECTIVE ACTION ENTRY 4. OK TO PRIME GIVEN; [06] PRIMED FCB FLOOR TO SIDE WALL SUPPORT ANGLE BS 396 TO BS 420 RBL 24 WL 156 IAW SOPM 20-41-02 AND WILL BE INSTALLED WITH CUSTOMER MOC CARD# TTG8Q004EMB3; [07] VERIFIED CORRECTIVE ACTION ENTRY 6. CARD COMPLETE.