SDR SWAA2020030942264

Service difficulty report · Stiffener · Boeing 7377AD

Difficulty date: March 3, 2020
Submitted: March 9, 2020
Operation: Air carrier
Aircraft: N798SW
Make and model: Boeing 7377AD
Aircraft serial: 28436
Aircraft time: 69,451 hours, 41,534 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Lt Horiz Stab
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

(SKYLINE DTIP) L/H HORIZ. STAB. CRACK ON SECOND STIFFENER, LWR I/B SIDE STA. 92.70. CUTOUT DAMAGE AREA. DIM: (1.630" X .175") AT L/H HORIZ STAB ON SECOND STIFFENER STA 92.70. RABRICATED LOCATED, DRILLED & INSTALLED T-ANGLE, ANGLE, SHIM. IAW B737 SRM 55-10-09. (Y000422) NO FURTHER EVALUATION IS NECESSARY PER EA 1-751-1151

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