Service difficulty report · Rib · Boeing 7377H4

Difficulty date
June 11, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N749SW
Make and model
Boeing 7377H4
Aircraft serial
29801
Aircraft time
74,742 hours, 43,712 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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

CRACK INSPAR RIB LOCATED STAB STA 120.30 AND 36 INCH FROM FRONT SPAR LT HORIZONTAL STAB ; 2021-282158 / [01] TOOL USED: P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 05-MAR-22; [02] TOOL USED CALIPER P/N 700-113-10 S/N 0019288 DUE DATE 28-APR-22 RADIUS GAUGE P/N 2204A3 S/N AE-408651 DUE DATE 02-FEB-22; [03] TOOL USED. P/N: NORTEC 500D. S/N: N500X11290U021704. DUE DATE: 08-OCT-21.; [04] PERFORMED REPAIRED INSPAR RIB LOCATED STAB STA 120.30 AT 36 INCH FROM FRONT SPAR AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 55-10-09-2R-5 REPAIR 5. PART USED: KIT T-SECTION P/N 55100003-1.; [05] PERFORMED REPAIR INSPAR RIB LOCATED STAB STA 120.30 AT 36 INCH FROM FRONT SPAR AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 55-10-09-2R-5 REPAIR 5. PART USED: KIT T-SECTION P/N 55100003-1. COMPLETED RII INSPECTION

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