Service difficulty report · Skin · Boeing 75724APF

Difficulty date
October 3, 2024
Submitted
October 30, 2024
Operation
Air carrier
Aircraft
N446UP
Make and model
Boeing 75724APF
Aircraft serial
27735
Aircraft time
37,525 hours, 20,436 cycles
Part
Skin
Part number
183N200710
Condition
Corroded
Location
Zone 300
Stage of operation
IN
How discovered
V
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

RH ELEVATOR TIP, LOWER SURFACE SKIN HAS CORROSION. DOT 28-02. FABRICATED NEW SPLICE PLATE I.A.W. SRM 55-20-01-OI-1, DETAIL 1. MATERIAL: P/N 6061-T4.025B, BTCH# 0002942746. BONDED CONDUCTIVE FRAME TO THE R/H LWR ELEVATOR PANEL WITH PN 04-001-0109 BATCH # 4318411. IAW BOEING DWG 183N2007 AND SRM 55-20-01-1A-1, TABLE I, NOTE I. INSTALLED SUPPORT STRUCTURE ELEVATOR TIP AND TIP FITTING R/H I.A.W. SRM 51-40-02-0G. MATERIAL: P/N CR3214-6-06, BTCH# 0004310487, P/N CR3212-6-05, BCTH# 0004334096. RE-INSTALLED ELEVATOR FAIRING TIP I.A.W. SRM 51-40-02-0G. REVIEWED

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