Service difficulty report · Support · Boeing 737*

Difficulty date
October 6, 2021
Submitted
November 19, 2021
Operation
Air carrier
Aircraft
N780SW
Make and model
Boeing 737*
Aircraft serial
27885
Aircraft time
68,861 hours, 40,837 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 ON FLOOR SUPPORT BS 312-328 RBL 11 WL 208. ; / [01] REMOVED CORROSION ON FLOOR SUPPORT AT BS312-328 RBL 11 WL208 1'X1' AREA WITH A .050' MATERIAL LOSS. ORIGINAL THICKNESS WAS .080'. OUT OF LIMITS. WORK PERFORMED IAW SRM 51-10-02 AND SRM 53-10-51-1A-1; [02] VERIFIED CORRECTIVE ACTION 1.; [03] REMOVED DAMAGED FLOOR SUPPORT AT BS312-328; RBL 11;WL 208 IAW B737 SRM 51-40-02.; [04] CERTIFIED ACTION 3.; [05] LOCATED AND DRILLED AND COUNTERSUNK NEW FLOOR SUPPORT STA 312-328; RBL 11; WL 208 PER SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; SRM 51-40-08-0G-0 DWG#141A5400. OK TO INSTALL.; [06] INSPECTED ACTION 5; [07] INSTALLED NEW FLOOR SUPPORT STA 312-328; RBL 11; WL 208 PER SRM 51-40-02-0G-0; 51-40-03-0G-0; DWG#141A5400.; [08] RII INSPECTED ACTION 7; [09] INSPECTION COMPLETE