Service difficulty report · Channel · Boeing 7378H4

Difficulty date
December 9, 2023
Submitted
January 12, 2024
Operation
Air carrier
Aircraft
N8560Z
Make and model
Boeing 7378H4
Aircraft serial
64115
Aircraft time
19,593 hours, 9,949 cycles
Part
Channel
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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 CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827; SEVERAL SPOTS WITH CORROSION. 221-04<[01] REMOVED CORROSION AT AFT CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827 ; REF SRM 51-10-02-0G-0;[02] REMOVED CORROSION AFT CARGO SIDEPLATE ZEE CHANNEL AT LBL 21.00; STA 727E TO STA 827.PER REF SRM 51-10-02-0G-0. FOUND OUT OF LIMITS PER REF 53-00-53-1A-2. <BR>REMOVED AFT CARGO LEFT SIDEPLATE ZEE CHANNEL PER SRM 51-40-02-0G-0<BR>FABRICATED A NEW ZEE CHANNEL SIDEPLATE AND SPLICES PER REF SRM 53-00-53-2R-5. AND SRM 51-40-05-G-0. <BR>TREATED AND PRIMED ZEE CHANNEL AND SPLICES PER REF AMM 51-21-41-370-802; AMM 51-21-72-370-803. <BR>ASSEMBLED FABRICATED SPLICES REPAIR ON AFT CARGO LEFT ZEE CHANNEL FROM STA 727E TO STA 727F AND FROM STA 727J TO STA 747 PER SRM 53-00-53-2R-5 AND SRM 51-40-02-0G-0.<BR>INSTALLED NEW FABRICATED LEFT ZEE CHANNEL PER REF SRM 51-40-02-0G-0; DWG 146A7500.<BR>INSTALLED NEW NUTPLATES ON AFT CARGO LEFT ZEE CHANNEL PER REF SRM 51-40-10-2R-0.;[03] VERIFIED STEPS 1 AND 2

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