Service difficulty report · Support · Boeing 737*

Difficulty date
February 4, 2022
Submitted
March 21, 2022
Operation
Air carrier
Aircraft
N216WR
Make and model
Boeing 737*
Aircraft serial
32488
Aircraft time
52,760 hours, 31,347 cycles
Part
Support
Condition
Corroded
Location
Aft Cargo
Stage of operation
UK
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

ACB LH FLOOR TO SIDEWALL SUPPORT CORRODED. LBL 21; BS727+11.5'; BS727A+2.5'; BS727B+2.5'; BS727B+18.5'; BS727C+2.5'; BS727C+14'; BS727D+3'; BS727D+8'; BS727D+15.5'; BS727D+18.5'; / [01] SRM 53-00-53-1A-2 IS FOUND TO BE APPLICABLE;09] FABRICATED ACB L/H NEW FLOOR TO SIDEWALL SUPPORT LBL 21; BS 727 TO BS 849;AND SPLICE BETWEEN BS 727E TO BS 747 AND LOCATED AND DRILLED SIDEWALL SUPPORT AND SPLICE; MATERIAL USED BAC1496-377#7075T62;EXTRUSION LOT#1477731-1;IAW SRM 51-40-05 ;SRM 53-00-53-2R-6 REPAIR-6 AND DWG;146A7502 REV:-;APLIED CHEMICAL CONVERSION COATING IAW SRM 51-20-01 INSTALLED REPAIR SPLICE ON NEW FL0OR TO SIDEWALL SUPPORT LOCATED BTW B/S 727E TO B/S747 LBL 21 IAW SRM 53-00-53-2R-6 REPAIR-6 AND INSTALLED NUT PLATE ON NEW FL0OR TO SIDEWALL SUPPORT IAW SRM 51-40-10;[10] PARTIAL UPDATE STEP 4.;[11] VERIFIED STEP 1 AND CORRECTIVE ACTION 9.