Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date
June 21, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N251WN
Make and model
Boeing 7377H4
Aircraft serial
32510
Aircraft time
59,313 hours, 35,831 cycles
Part
Support Angle
Condition
Cracked
Location
Zone 500
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 SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING 2024-393421<[01] REPLACED SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING IAW B737-700 SRM 51-40-02 AND 51-10-02 ITEM 9.;[02] CORRECTED ACTION 1 <BR>REPLACED SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING IAW B737-700 SRM 51-40-02 AND 51-10-02 ITEM 9.;[03] CORRECTED ACTION 2<BR>REPLACED SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING IAW B737-700 SRM 51-40-02 AND 51-10-02 ITEM 9. TOOK MEASUREMENTS OF CRACK IS: 0.250 INCH; TOOL USED: DIGITAL CALIPER P/N: 500-193-30 S/N: 0037655 DUE DATE: 26-OCT-24;[04] REPLACED SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING IAW B737-700 SRM 51-40-02 AND 51-10-02 ITEM 9. TOOK MEASUREMENTS OF CRACK IS: 0.250 INCH; TOOL USED: DIGITAL CALIPER P/N: 500-193-30 S/N: 0037655 DUE DATE: 26-OCT-24

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