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
Fuselage
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 500C +2; +6; +10; +14; BS 500B +7; 10-14; +18; BS 500A +6; +12; +14 RBL 24; WL 156 ; / [01] REMOVED AND EVALUATED DAMAGE; [02] VERIFIED STEPS 1-10. OUT OF LIMITS; [03] FABRICATED LOCATED AND DRILLED NEW FCB FLOOR TO SIDE WALL SUPPORT ANGLE BS 500A TO BS 500D RBL 24 WL 156 MADE FROM EXTRUSION BAC1496-777#7075T62 LOT#1466509-1 IAW SRM 51-40-05-0G-0 AND DWG# 143A7501 OK NTO TREAT AND PRIME; [04] VERIFIED CORRECTIVE ACTION ENTRY 3. OK TO TREAT AND PRIME GIVEN.; [05] APPLIED CHEMICAL CONVERSION COATING AND PRIMED FCB FLOOR TO SIDE WALL SUPPORT ANGLE BS 500A TO BS 500D RBL 24 WL 156 IAW SRM 51-20-01-0G-0 AND SOPM 20-41-02 AND WILL BE INSTALLED WITH CUSTOMER MOC CARD# TTG8Q004EMB3; [06] VERIFIED CORRECTIVE ACTION ENTRY 5. CARD COMPLETE.