Service difficulty report · Frame · Boeing 7377H4

Difficulty date
May 11, 2022
Submitted
May 26, 2022
Operation
Air carrier
Aircraft
N244WN
Make and model
Boeing 7377H4
Aircraft serial
34864
Aircraft time
53,556 hours, 31,861 cycles
Part
Frame
Condition
Corroded
Location
Fuselage
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

FOUND WTB FAIRING SUPPORT FRAME WITH SEVERE WEAR & CORROSION DAMAGE AT LOWER MATTING SURFACE; BS 663-667.68; LBL 20 APPROX. REMOVED CORROSION AT WTB FAIRING SUPPORT FRAME; AS PER B737-7 SRM 51-10-02-0G-0.ORIG. MAT. OF FRAME: 0.100'; MAT. REMOVED: 0.030'; REMAINING MAT.:0.070'; FOUND OUT OF LIMITS AS PER B737-7 SRM 53-40-71-1A-1; FIG.103; DETAIL 'C' & 'F'. LOCATED AND DRILLED NEW WTB FAIRING SUPPORT FRAME REF B737-700 SRM 51-40-05-0G-0 (PENDING LOCATING NUT-PLATES). INSTALLED NUT-PLATES ON NEW WTB FAIRING SUPPORT FRAME REF B737-700 SRM 51-40-08-0G-0; INSTALLED NEW WTB FAIRING SUPPORT FRAME AT BS 663-667.68; LBL 20 APPROX AS PER B737-700 SRM 51-40-02-0G-0 AND DWG 149A7216

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