Service difficulty report · Panel · Boeing 737752

Difficulty date
July 28, 2022
Submitted
August 29, 2022
Operation
Air carrier
Aircraft
N7848A
Make and model
Boeing 737752
Aircraft serial
34298
Aircraft time
48,870 hours, 27,337 cycles
Part
Panel
Condition
Elongated
Location
R/H Wing
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

RIGHT WING LWR PANEL 661CB HAS ELONGATED/ CRACKED HOLES. CORRECT PANEL IS 621CB / [01] PERFORMED VISUAL INSPECTION AND TAP-TEST INSPECTION AT ACCESS PANEL 661CB; ELONGATED HOLES FOUND; NO WATER NOTE AND NO DELAMINATION FOUND. REF B737-700 SRM 51-70-04-2R-9 PARAGRAPH 4 A AND NDT PART 1 51-05-01 PARAGRAPH 5.;[02] PREPARED AREA TO FILL DAMAGES HOLES WITH A MIXTURE OF LAMINATING RESIN AND CHOPPED FIBER. REF B737-700 SRM 51-70-04-2R-9 PARAGRAPH 4 C.;[03] OK TO INSTALL REPAIR;[04] REPAIRED ALONGATED HOLES AT ACCESS PANEL 661CB. REF B737-700 SRM 51-70-04-2R-9 PARAGRAPH 4 D;E.F.G;H;I;J;K;L AND M. MATERIAL USED FIBERGLASS REPAIR FABRIC PO#:1690463 AND RESIN PO#:1778994;[05] VERIFIED 4;[06] APPLIED TOPCOAT TO REWORKED AREA AS PER B737-700 AMM 51-21-73-370-804;[07] CORRECT PANEL IDENTIFICATION IS 621CB;[08] VERIFIED STEPS 6 AND 7