Service difficulty report · Support Channel · Boeing 737752

Difficulty date
July 17, 2025
Submitted
August 22, 2025
Operation
Air carrier
Aircraft
N7843A
Make and model
Boeing 737752
Aircraft serial
35786
Aircraft time
59,381 hours, 32,137 cycles
Part
Support Channel
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 CHANNEL SUPPORT AT LEVEL OF STR 25R AND WL 156.4 BTW BS 767 TO BS 794.5 AFT CARGO COMPARTMENT 2025-448166<[01] REPLACED CHANNEL SUPPORT AND FASTENERS AT LEVEL OF STR 25R AND WL 156.4 BTW BS 767 TO BS 794.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 SRM 51-10-02 AND DWG: 146A0081 SHEET 31 REV -;[02] CORRECTED STEP 1 REPLACED CHANNEL SUPPORT AND FASTENERS AT LEVEL OF STR 25R AND WL 156.4 BTW BS 767 TO BS 794.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 SRM 51-10-02 ITEM 9 AND DWG: 146A0081 SHEET 31 REV -;[03] REPLACED CHANNEL SUPPORT AND FASTENERS AT LEVEL OF STR 25R AND WL 156.4 BTW BS 767 TO BS 794.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 SRM 51-10-02 ITEM 9 AND DWG: 146A0081 SHEET 31 REV -