Service difficulty report · Crease Beam · Boeing 7378H4

Difficulty date
December 6, 2019
Submitted
April 13, 2022
Operation
Air carrier
Aircraft
N8306H
Make and model
Boeing 7378H4
Aircraft serial
36983
Aircraft time
26,834 hours, 11,654 cycles
Part
Crease Beam
Condition
Corroded
Location
Aft Galley
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

AFT WET AREA FLOOR STRUCTURE;R2 DOOR ENTRY CREASE BEAM HAS CORROSION ACROSS LENGTH OF THE DOORWAY STA 964- STA 986.5; RBL 53; WL 208. / BLENDED CORROSION ON R2 DOOR CREASE BEAM STA964-986 WL 208. ORIGINAL .080'; REMAINING .067'; LOSS OF .013' FOUND OUT OF LIMIT IAW SRM 53-70-15-1A-1. REMOVED AND RPLACED DAMAGED CREASE BEAM IAW SRM 51-40-02-0G-0 AND DWG 147A8501 REV.A. RESTORED CIC TO AREA IAW AMM 51-21-91-620-802 PN: 147A854008 ATAG: WN1377

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