Service difficulty report · Pressure Blkhd · Boeing 737824

Difficulty date
April 30, 2026
Submitted
August 27, 2026
Operation
Air carrier
Aircraft
N37255
Make and model
Boeing 737824
Aircraft serial
30610
Aircraft time
78,111 hours, 29,348 cycles
Part
Pressure Blkhd
Part number
111A11111
Condition
Cracked
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

SUPPORT TASK: 2EA CRACKS FOUND ON RH CENTER WING BOX REAR SPAR VERTICAL PRESSURE WEB AT THE RBL 31.83 TO 40.00 BAY AND RBL 40.00 TO 45.64 BAY.TRANSCRIBED FROM AAR GSO NRC 9288075 COMPLETED ESFR THIS IS A CATEGORY B REPAIR AND REQUIRES A HIGH FREQUENCY EDDY CURRENT INSPECTION. PER SRM 57-10-10-2R-3 REPAIR 3 TABLE 205 ADD EMP:V951370 REQUIRES INSPECTION AT 56000 FC POST REPAIR AND 36000 FC THEREAFTER. TOMC APPROVES DIP FOR ALTERNATIVE 2 WEB REPAIR AT RT CENTER WING BOX REAR SPAR VERTICAL PRESSURE WEB AT THE RBL 31.83 TO 40.00 BAY AND RBL 40.00 TO 45.64 BAY.