Service difficulty report · Bracket · Boeing 7377BD

Difficulty date
February 1, 2021
Submitted
February 17, 2021
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
43,672 hours, 22,000 cycles
Part
Bracket
Condition
Corroded
Location
Rt Wing
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 RIGHT WING FIXED T/ E REAR SPAR LOWER PANEL 651EB WEB ATTACHED BRACKET FRETTING CORROSION MKD DOT 60-004. REMOVED PANELS 642 AR AND 651 EB AS PER B737 700 SRM 51-40-02-06-0. REMOVED CORROSION AT PANEL 651 EB AS PER B737 700 51-10-02-06-0. PERFORM NDT ORIGINAL THICKNESS 0.100; MAT THICKNESS .94; MAT LOSS 0.006 AND NO CRACK FOUND AS PER SWA EA 21-137-00278; TREAT AND PRIMED REWORKED AREA AS PER B737 700 AMM 28-11-00-600-801 AND AMM 51-21-72-370-803. INSTALLED PANELS 651EB AND 642AB AS PER B737-700 SRM 51-40-02-06-0.

More about the Boeing 737-7BD