SDR SCNA20250623226

Service difficulty report · Pressure Blkhd · Boeing 7378

Difficulty date: May 22, 2025
Submitted: June 23, 2025
Operation: Air carrier
Aircraft: N5693A
Make and model: Boeing 7378
Aircraft serial: 29947
Aircraft time: 73,947 hours, 37,961 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Pressure Blkhd
Condition: Corroded
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

L/H FUSELAGE FROM STA 663 TO AFT PRESSURE BULKHEAD HAS NOTEABLE CORROSION ALONG LAPSEAM AS MARKED. ACCOMPLISHED EA 737-5360-72-B0508 IR ON L/H FUSELAGE AT AREA 1 STA 727A 5-14L, AREA2 STA 727D 5-14L, AREA 3 STA 727F TO STA 727G 5-14L, AREA 4 STA 747 TO STA 767 5-14L, FOUND TO BE ACCEPTABLE AS PERMANENT CATEGORY A. THIS REPAIR IS CONSIDERED AS MOINOR REPAIR.

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