Service difficulty report · Bulkhead · Boeing 737824

Difficulty date
April 11, 2025
Submitted
April 14, 2025
Operation
Air carrier
Aircraft
N26226
Make and model
Boeing 737824
Aircraft serial
28935
Aircraft time
79,506 hours, 29,511 cycles
Part
Bulkhead
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

DURING WALK AROUND FOUND CRACK IN UPPER WHEEL WELL FORWARD BULKHEAD JUST AFT OF RESERVOIR B GAUGEWALK AROUND PERFORMED FOR ETOPS CK VERIFIED AND MARKED CRACK ENDS USING NDT 6-51-00-00-23. DURING ETOPS WALK AROUND FOUND CRACK IN UPPER RIGHT WHEEL WELL, FORWARD BULKHEAD JUST FWD OF RESERVOIR B GAUGE REQ INSP TO TO HFEC INTERNAL SIDE TO IDENTIFY ENDS OF CRACK PRIOR TO STOP DRILL SRM 57-10-10-2R-4 INTERNALLY MARKED CRACK ENDS REF NDT PART 6-51-00-00 PROCEDURE 23. PERFORMED STOP DRILL ON CRACK PER SRM 57-10-10-2R-4 STEP 4.B; REQUESTING HFEC OF THE STOP DRILL PER 737 NDT PART 6 51-00-00, PROCEDURE 16 PERFORMED HFEC OF THE STOP DRILL PER 737 NDT PART 6 51-00-00, PROCEDURE 16, NO CRACK INDICATION NOTED. SLOTTED OUT DAMAGED AREA PER SRM 57-10-10-2R-4 STEP 4.D 1-4; REQUESTING HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION OF ANY TRIMMED EDGE AS GIVEN IN 737 NDT PART 6, 51-00-00, PROCEDURE 4 OR 737 NDT PART 6, 51-00-00, PROCEDURE 23 PERFORMED HFEC OF TRIMMED EDGE REF 737 NDT PART 6, 51-00-00, PROCEDURE 23, NO CRACK INDICATIONS AT THIS TIME. PERFORMED INSURANCE CUT IN REFERENCE WITH SRM 57-10-10-2R-4 STEP 4.D; REQUESTING MATERIAL VERIFICATION 2024 -T3 0.100" BARE SHEET PO# 6480381 VERIFIED INSURANCE CUT PERFOMED AND MATERIAL VERIFICATION PER TABLE 201. EWIS COMPLIED WITH ON S/M REPAIR.