Service difficulty report · Crease Beam · Boeing 7378H4

Difficulty date
December 27, 2019
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
26,421 hours, 11,454 cycles
Part
Crease Beam
Condition
Corroded
Location
Aft 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

CORROSION R-2 CREASE BEAM VERTICAL FLANGE BETWEEN STA 947 +16' TO STA 967 +19' WL 208 RBL 51 / REMOVED DAMAGE FROM R 2 CREASE BEAM VERTICAL FLANGE BETWEEN STA 947+16 TO 967+19 RBL 51 VERIFIED WITH 10X MAG VERIFIED MAT LOSS ORG .080 REMAINING .062 MAT LOSS .018 FOUND TO BE OUT OF LIMITS DAMAGED REMOVED IAW SRM 51-10-02-0G-0 VERIFIED LIMITS IAW SRM 53-70-15-1A-1 FIG 103 REMOVED AND REPLACED R 2 CREASE BEAM IAW SRM 51-40-02-0G-0 AND DRAWING 147A8501 REV A CICED R 2 CREASE BEAM IAW AMM 51-21-91-620-802 AAR TOOL 36285 DUE 06-02-20

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