Service difficulty report · Spar · Boeing 737824

Difficulty date
August 2, 2022
Submitted
August 3, 2022
Operation
Air carrier
Aircraft
N36272
Make and model
Boeing 737824
Aircraft serial
31590
Aircraft time
66,411 hours, 22,972 cycles
Part
Spar
Part number
111A2201
Condition
Cracked
Location
Rh Wing
Stage of operation
IN
How discovered
O
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

REF LPS 3909955, 3910260, AND 3906367, 3 TEMPORARY REPAIRS ON THE WCS REAR SPAR ASSEMBLY VERTICAL PRESSURE WEB REQUIRE REPLACEMENT BETWEEN RBL 27 AND RBL 43. PERMANENT REPAIR IAW SRM 57-10-10-2R-3 ALTERNATIVE 3. THIS IS A LFEC INSPECTION PER TABLE 206 DUE IN 56000 CYCLES, WITH A REPEAT CAT B REPAIR THAT REQUIRES INSPECTIONS WITH THE INITIAL HFEC AND INSPECTION INTERVAL OF 36000 CYCLES. REF AAR NR 99940354, REMOVED 3 TEMPORARY CRACK REPAIRS ON RH WING CENTER SECTION VERTICAL PRESSURE WEB AND REPLACED WITH A ADD EMP:V918170 AND V 895387 CATAGORY B ALT 3 REPAIR MADE TO WING CENTER SECTION REAR SPAR TOMC-APPROVAL FROM SC1ELBYC COMMENT VERTICAL PRESSURE DECK WEB RBL 27 AND RBL 43 PER SRM 57-10-10-2R-3. PERFORM ALT 3 HFEC AND LFEC INSPECTIONS PER TABLE 206 INITIAL THRESHOLD 56000 FLIGHT CYCLES AFTER REPAIR INSTALLATION AND REEAT HFEC AND LFEC INSPECTION INTERVALS OF 36000 FLIGHT CYCLES. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. QC QC REVIEWED.