Service difficulty report · Angle · Boeing 7377H4

Difficulty date
December 31, 2018
Submitted
March 1, 2022
Operation
Air carrier
Aircraft
N727SW
Make and model
Boeing 7377H4
Aircraft serial
27859
Aircraft time
69,068 hours, 40,761 cycles
Part
Angle
Part number
141A81122
Condition
Corroded
Location
Fed Threshold
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

L-1 DOOR CUTOUT SILL; THESHOLD SUPPORT ANGLE LBL 62 HAS CORROSION. / REMOVED CORROSION FROM L-1 DOOR CUTOUT SILL THESHOLD SUPPORT ANGLE LBL 62; ORIGINAL MATERIAL THICKNESS 0.050'. REMAINING MATERIAL THICKNESS 0.034' MAT MATERIAL LOSS OF .016'; FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-1A-1 STEP 4.B. REMOVED AND REPLACED L-1 DOOR THRESHOLD SUPPORT ANGLE LBL 62 IAW SRM 51-40-02-06-0 AND DWG #141A8110 REV A TAG:WN:7821 P/N:7530973 141A8112-2

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