Service difficulty report · Pressure Deck · Boeing 737824

Difficulty date
February 21, 2022
Submitted
February 21, 2022
Operation
Air carrier
Aircraft
N77261
Make and model
Boeing 737824
Aircraft serial
31582
Aircraft time
66,531 hours, 22,686 cycles
Part
Pressure Deck
Part number
NA
Condition
Cracked
Location
Lbl 40.00-31.83
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

INSPECTION (HFEC) OF THE CENTER WING BOX REAR SPAR VERTICAL PRESSURE DECK, SHOWS A CRACKBETWEEN LBL. 40.00 AND LBL. 31.83 INSPECTION. INITIAL INSPECTION THRESHOLD 56,000 FLIGHT CYCLES THEREAFTER 36,000 FLIGHT CYCLES PER TABLE 204 AFTER INSTALLATION. HFEC / LFEC PER /TABLE 204, REINSPECT REFERENCE FLEET CYCLE N/R 9802644. REPAIRED VERTICAL PRESSURE DECK PER SRM 57-10-10 REPAIR 3 ALT.1. PLACE ON DIP FOR VERIFIED REPAIR COMPLETE . REPAIRS MADE TO THE CENTER WING BOX REAR SPAR VERTICAL PRESSURE TOMC-APPROVAL FROM SC1ELBYC COMMENT DECK PER SRM 57-10-10-2R-3 ALTERNATIVE 1. PERFORM INSPECTION REQUIREMENTS PER TABLE 204 WITH INSPECTION THRESHOLD 56,000 FLIGHT CYCLES AFTER REPAIR AND HFEC AND LFEC REPEAT INSPECTIONS EVERY 36,000 FLIGHT CYCLES. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. QC QC REVIEWED.