Service difficulty report · Support Plate · Boeing 7378H4

Difficulty date
June 23, 2022
Submitted
July 12, 2022
Operation
Air carrier
Aircraft
N8695D
Make and model
Boeing 7378H4
Aircraft serial
35965
Aircraft time
19,972 hours, 9,339 cycles
Part
Support Plate
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

FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE HAS AREAS OF CORROSION BS500D TO BS500I RBL23 WL156 / FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING DIAL DEPTH GAUGE ATS 2678 DUE 04/2023;[02] INSPECTED & VERIFIED CORRECTIVE ACTION ITEM 1.;[03] REMOVED FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE BS500A TO BS500I RBL23 WL156 IAW SRM 51-40-02-0G-0;[04] FABRICATED FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE FROM BS 500A TO BS 500I RBL 23 WL 156; MADE FROM BAC1496-444#7075T62; LOT#1490548-1 WITH A SPLICE AT BS 500D+12 IAW SRM 53-00-53-2R-5 REPAIR 5;[05] FABRICATED 2 (EACH) TAPERED FILLERS FROM 0.040' THICK 7075-T6 CLAD AND SPLICE SIDEPLATE; MADE FROM BAC1496-444#7075T62; LOT#1490548-1 IAW SRM 53-00-53-2R-5 REPAIR 5 AND 22-153-01871-WIP1;[06] APPLIED A CHEMICAL CONVERSION COATING TO ALL REPAIR PARTS IAW SRM 51-20-01; OK TO PRIME;[07] APPLIED PRIMER TO ALL REPAIR PARTS IAW SOPM 20-41-02;[08] VERIFIED CORRECTIVE ACTION 4-7.<BR>OK TO PRIME;[09] OK TO INSTALL;[10] OK TO INSTALL.;[11] INSTALLED FWD CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT PLATE BS 500A TO BS 500I RBL 23 WL 156 WITH SPLICE PLATE AT BS 500D + 12 IAW SRM 53-00-53-2R-5 REPAIR 5; SRM 51-40-02-0G-0 AND 22-153-01871-WIP1;[12] RII VERIFIED CORRECTIVE ACTION ITEM 11.;[13] THE DAMAGE WAS REPAIRED PER 737-800 SRM 53-00-53-2R-5 (REPAIR 5) AND EA 22-153-018

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