Service difficulty report · Pressure Deck · Boeing 737824

Difficulty date
June 27, 2020
Submitted
June 29, 2020
Operation
Air carrier
Aircraft
N78509
Make and model
Boeing 737824
Aircraft serial
31638
Aircraft time
41,278 hours, 14,435 cycles
Part
Pressure Deck
Part number
111A21012
Condition
Cracked
Location
Sta 663.75
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

PRESSURE DECK HAS CRACK AT STA 663.75 AND RBL 43 JUST BELOW FLOOR BOARDS. REF FLEET CYCLE NR 9746952. REPAIRED VERTICAL PRESSURE WEB REF SRM57-10-10 REPAIR 3 ALT2. IS SUED DIP TO READ{PERFORM CATEGORY B REPAIR INSPECTIONS PER SRM 5 7-10-10 REPAIR 3 PAGE 217 TABLE 205 INSPECTION THRESHOLD 56,000 FLIGHT CYCLES AND 36,000 FLIGHT CYCLES THEREAFTER. HFEC AND LFEC INSPECTIONS ARE TO BE PERFORMED PER STRUCTURE DETAIL ON TABLE 2 05 SRM 57-10-10 REOAIR 3. THE INSPECTION THRESHOLD OF 56,000 N-ROUTINE 9746952 FOR ALL WORK ACCOPLISHED. FLIGHT CYCLES STARTS AFTER REPAIR INSTALLION.}SEE FLEET CYCLE NO REPAIRED VERTICAL PRESSURE WEB REF SRM57-10-10 REPAIR 3 ALT2. PERFORM CATEGORY B REPAIR INSPECTIONS PER SRM 57-10-10 REPAIR 3 3 PAGE 217 TABLE 205 INSPECTION THRESHOLD 56,000 FLIGHT CYCLES A FTER REPAIR INSTALLATION AND AT 36,000 FLIGHT CYCLE INTERVALS TH EREAFTER REF SRM 57-10-10 RPR3 ALT2. TOMC-APPROVAL FROM SC1ELBYC COMMENT INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. TOMC APPROVED : QC REVIEWED. TOMC APPROVED : QC REVIEWED.