Service difficulty report · Plate · Boeing 7378H4

Difficulty date
May 28, 2023
Submitted
June 27, 2023
Operation
Air carrier
Aircraft
N8536Z
Make and model
Boeing 7378H4
Aircraft serial
63571
Aircraft time
20,012 hours, 9,739 cycles
Part
Plate
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 L/H SIDEPLATE HAS CORROSION AT FASTENER HOLES LBL 21; STA.727J-747<[01] REMOVED CORROSION AFT CARGO L/H SIDEPLATE AT FASTENER HOLES LBL 21; STA.727J-747. MAX MATERIAL LOSS IS 0.008?; MAX ALLOWED IS 0.004?; REMAINING MATERIAL 0.032?. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2;[02] ALL WORK TO REPAIR SIDE PLATE WILL BE PERFORMED ON JOB CARD TTG8Q00LAZ3B;[03] VERIFIED CA #1. NICHOLAS AYLOR (TECHNICIAN); 01-JUN-2023 10:18 UTC<BR>REMOVED CORROSION AFT CARGO L/H SIDEPLATE AT FASTENER HOLES LBL 21; STA.727J-747. MAX MATERIAL LOSS IS 0.008?; MAX ALLOWED IS 0.004?; REMAINING MATERIAL 0.032?. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2;[04] VERIFIED ALL WORK TO BE C/W ON TTG8Q00LAZ3B. BETWEEN 727D +10 THRU 747+9.5.

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