Service difficulty report · Pressure Blkhd · Boeing 737824

Difficulty date
December 8, 2021
Submitted
December 10, 2021
Operation
Air carrier
Aircraft
N37293
Make and model
Boeing 737824
Aircraft serial
33453
Aircraft time
47,435 hours, 16,832 cycles
Part
Pressure Blkhd
Part number
111A11111
Condition
Cracked
Location
Rh Mlg Ww
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

RT MLG W/W VERTICAL PRESSURE DECK WEB CRACKED REF AAR N/R 9638163 REPAIRED RT MLG W/W VERTICAL PRESSURE DECK WEB AS PER B737 SRM 57-10-10-2R-3 ALTERNATIVE 2 PERFORM HFEC AND LFEC RE-INSP AT EVERY 36,000 FC WITH A THRESHOLD OF 56,000 FC AFTER REPAIR COMPLETION I.A.W B737 SRM 57-10-10-2R-3 PARA 7 TABLE 205 ITEM PLACED ON DIP AS PER TABLE 205.SRM 57-10-10 OKAY TO CARRY FORWARD WITH A CATAGORY B REPAIR ACCOMPLISHED ON TOMC-APPROVAL FROM SC1ELBYC COMMENT THE RT MLG W/W VERTICAL PRESSURE DECK WEB PER SRM 57-10-10-2R-3. THIS CATAGORY B REPAIR IS TO BE INSPECTED WITH HFEC AT 56000 FLIGHT CYCLES (FC) AFTER REPAIR INSTALLATION THEN REINSPECTED WITH HFEC EVERY 36000 FC THEREAFTER. THIS INITIAL DIP IS STARTING AT THE INSP. THRESHOLD OF 56,00 QC RECORDS UPDATE VD RECORDS UPDATE VD FLIGHT CYCLES WITH AN INTERVAL OF 36,00 FLIGHT CYCLES THEREAFTER. QC REVIEWED. INIT: 56000 FC (INIT WILL ITO TO RIR -5175) RIR: 36000 FC