Service difficulty report · Spar · Boeing 7377H4

Difficulty date
June 27, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N419WN
Make and model
Boeing 7377H4
Aircraft serial
29824
Aircraft time
64,912 hours, 38,308 cycles
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Cracked
Location
Rt Wing
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 FRONT SPAR ANGLE LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APROX AT RT WING ; 2021-295513 / [01] TOOL USED: DIGITAL CALIPER P/N: 500-464; D/N: 15331926; DUE DATE: 23-JUL-21.; [02] TOOLS USED: POWER PACK P/N: FMK0003223; S/N: PE0412/63335; S/N: 23-AUG-21; FLUKE 1587; S/N: 38200034; DUE DATE: 20-MAR-22; THERMOMETER P/N: FLUKE63; S/N: 31330088; DUE DATE: 18-MAY-22.; [03] REPLACED SPAR ANGLE AND FASTENERS LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APROX AT RT WING I.A.W. B737-700 SRM 51-40-02 AND DRAWING 112A2004; SHEET 5; REV- AND DRAWING 116A3001; SHEET 22; REV -.; [04] REPLACED SPAR ANGLE AND FASTENERS LOCATED ABOVE FUEL BOOST PUMP IFSS 120 APROX AT RT WING I.A.W. B737-700 SRM 51-40-02 AND DRAWING 112A2004; SHEET 5; REV- AND DRAWING 116A3001; SHEET 22; REV -.VERIFIED AS RII.

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