Service difficulty report · Strap · Boeing 7378H4

Difficulty date
June 20, 2023
Submitted
July 19, 2023
Operation
Air carrier
Aircraft
N8543Z
Make and model
Boeing 7378H4
Aircraft serial
63587
Aircraft time
19,500 hours, 9,726 cycles
Part
Strap
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

CORROSION AFT CARGO BAY FLOOR SPLICE STRAP AROUND NUT PLATE HOLE BS727I+6 RBL11.5 WL156<[01] EVALUATED CORROSION ON FLOOR SPLICE STRAP BS 727I+6 RBL 11.5 WL 156; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[02] VERIFIED STEP#1;[03] RECEIVED NEW AFT CARGO BAY FLOOR SPLICE STRAP BS 727+6; RBL 24 TO LBL 24; WL 156. PART WILL BE INSTALLED ON SWA CUSTOMER CARD # TTG8Q00KZEZT.;[04] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; CARD COMPLETE.

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