SDR UIEA2025071100920

Service difficulty report · Stiffener · Boeing 73783N

Difficulty date: July 10, 2025
Submitted: July 14, 2025
Operation: Air carrier
Aircraft: N5167A
Make and model: Boeing 73783N
Aircraft serial: 32663
Aircraft time: 67,470 hours, 30,095 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Stiffener
Condition: Cracked
Location: Zone 300
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

R/H HORIZONTAL STABILIZER NUMBER 2 STA 92.7 HAS VERTICAL STIFFENERS #3 CRACKED LOWER SIDE.(<P>ACCOMPLISHED CATEGORY "A" REPAIR, PERMANENT REPAIR ON R/H HORIZONTAL STABILIZER RIB #2 STA 92.7 STIFFENER #3 LOWER SIDE 28" FROM FRONT SPAR, MEASURED CRACK 1.687" IAW B-737 SRM 55-10-09-2R-4 REPAIR 4 FIG 202, SHEET 1 REV 23. NO FURTHER DEFECTS NOTED.</P>)

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