Service difficulty report · Angle · Boeing 73773V

Difficulty date
July 3, 2021
Submitted
August 9, 2021
Operation
Air carrier
Aircraft
N561WN
Make and model
Boeing 73773V
Aircraft serial
32417
Aircraft time
53,697 hours, 34,618 cycles
Part
Angle
Condition
Corroded
Location
R/H Wing
Stage of operation
IN
How discovered
O
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

CORROSION. ** R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE O/B OF FLAP TRACK # 8 ; / [01] REMOVER NUT PLATE FOR ACCESS AT R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE IAW B737 SRM 51-40-02-0G -0.; [02] REMOVED CORROSION AT R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE IAW B737 SRM51-10-02-0G-0.; [03] CORRECTION STEP1. REMOVED NUT PLATE FOR ACCESS AT R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE IAW B737 SRM 51-40-02-0G -0.; [04] (AMENDING STEP 1) REMOVED NUT PLATE FOR ACCESS AT R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE O/B OF FLAP TRACK #8 IAW B737 SRM 51-40-02-0G -0.; [05] AMENDING STEP2. REMOVED CORROSION AT R/W REAR SPAR FIXED T/E LOWER SUPPORT ANGLE O/B OF FLAP TRACK #8 IAW B737 SRM 51-10-02-0G-0; [09] REWORK EVALUATION; FOUND LOWER PANEL SUPPORT ANGLE OUT OF LIMITS AS PER B737-7 SRM 57-51-02-1A-1 SEC 4B. DET D. <BR>MATERIAL REMOVED 0.014''; MAT REMAINING 0.066''; ORIGINAL MATERIAL 0.080''.; [10] REWORK EVALUATION; FOUND LOWER PANEL SUPPORT ANGLE OUT OF LIMITS AS PER B737-7 SRM 57-51-02-1A-1 SEC 4B. DET D. <BR>MATERIAL REMOVED 0.014''; MAT REMAINING 0.066''; ORIGINAL MATERIAL 0.080''.;HT WING REAR SPAR FIXED T/E LOWER SUPPORT ANGLE FLAP TRACK #8.; [14] FABRICATED NEW ANGLE AND LOCATED AND DRILLED AND COUNTERSINK AT R/WING REAR SPAR FIXED T/E LOWER SUPPORT ANGLE O/B FLAP TRACK IAW SRM51-40-05-0G-0 AND SRM51-40-08-0G-0.

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