Service difficulty report · Strap · Boeing 7378H4

Difficulty date
November 2, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N8554X
Make and model
Boeing 7378H4
Aircraft serial
36993
Aircraft time
19,892 hours, 9,901 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 BS887 RBL11.5 WL168<[01] UPDATE MEASUREMENT TABLE. CORROSION ON STRAP WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM. PART REPLACEMENT REQUIRED PER SRM 51-10-02.;[02] VERIFIED CORRECTION ACTION ITEM 1; AND MEASUREMENT TABLE.;[03] REMOVED ACB FLOOR SPLICE STRAP AT BS 887; LOCATED AND DRILLED NEW FLOOR SPLICE STRAP; AND INSTALLED NEW ACB FLOOR SPLICE STRAP AT BS 887; IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 147A7500.;[04] VERIFIED CORRECTIVE ACTION #3<BR>VERIFIED MEASUREMENTS

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