SDR SCNA20210528063

Service difficulty report · Bulkhead Web · Boeing 7378Q8

Difficulty date: May 20, 2021
Submitted: May 28, 2021
Operation: Air carrier
Aircraft: N804SY
Make and model: Boeing 7378Q8
Aircraft serial: 30689
Aircraft time: 65,205 hours, 24,971 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Bulkhead Web
Condition: Cracked
Location: Bs 663 Rbl 40-45
Stage of operation: IN
How discovered: 9
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

REPAIR TO CRACK ON WEB CENTER SECTION REAR SPAR VERTICAL PRESSURE DECK WEB BETWEEN RBL 40 AND RBL 45 STA 663 IS TEMP REPAIR. REMOVED THE DAMAGED PART OF THE WEB, PERFORMED A DETAIL INSPECTION OF THE REPAIR AREA, FABRICATED, LOCATED, DRILLED, AND INSTALLED REPAIR PARTS INSPECTION REQUIREMENTS FOR A CATEGORY B REPAIR ALTERNATIVE 2 AS PER B737-800 SRM 57-10-10 REPAIR 3 AND TABLE 204.

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