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 ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT WL 153; RBL 23; STATIONS: 727+1; 727+14; 727A+6; 727A+10; 727B+2; 727B+6; 727C+6; 727C+10; 727C+14; AND 727D+2. ; / [01] REMOVED CORROSION ON FLOOR SIDEWALL SUPPORT AT WL153; STA 727+1; 727+14; 727A+6;727A+10;727B+2;727B+6;727C+10;727C+14; RBL 23 AND STA 727D+2; . STATION 727+14'; MEASURES: L= 1'; W=0.500'; D=0.012'.ORIGINAL THICKNESS= 0.040'; MATERIAL REMOVED=0.012'; REMAINING MATERIAL THICKNESS=0.028'. THE SIDEWALL SUPPORT IS OUT OF LIMITS.IAW. SRM 51-10-02; SRM53-00-53-1A-2 ALLOWABLE DAMAGE 2; STEP 4.A(2) (A). TOOL USED:MICROMETER. ID:ATS1671; DUE DATE:01/2022.; [02] VERIFIED CORROSION REMOVAL OUT OF LIMITS PER SRM 53-00-53-1A-2; [03] THIS DISCREPANCY WILL ACCOMPLISHED ON CARD TTG8Q0092WDW.; [04] VERIFIED WORK TO BE ACCOMPLISHED ON FAULT TTG8Q0092WDW