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
Lh 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

LT MLG W/W VERTICAL PRESSURE DECK WEB CRACKED REF AAR N/R 9638162 REPAIRED LT MLG W/W VERTICAL PRESSURE WEB AS PER B737 SRM 57-10-10-2R-2 ALTERNITIVE 2 PREFORMED HFEC AND LFEC RE-INSPECT AT EVARY 36,000 FC WITH A THRESHOLD OF 56,000 FC I.A.W B737 SRM 57-10-10-2R-3 PARAGRAPH 7 TABLE 205 ACCOMPLISEHD BY V984495 ITEM PLACED OF DIP IAW TABLE 205 IN SRM 57-10-10. OKAY TO CARRY FORWARD WITH A CATAGORY B REPAIR ACCOMPLISHED ON TOMC-APPROVAL FROM SC1ELBYC COMMENT THE LT 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. QC RECORDS UPDATE VD QC REVIEWED. INIT: 56000 FC CRAFT RECORDS AUDIT & (INIT WILL ITO TO RIR -5177) RIR: 36000 FC VD/U353583