Service difficulty report · Splice Strap · Boeing 7377H4

Difficulty date
March 17, 2023
Submitted
April 25, 2023
Operation
Air carrier
Aircraft
N957WN
Make and model
Boeing 7377H4
Aircraft serial
41528
Aircraft time
38,518 hours, 23,626 cycles
Part
Splice Strap
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 COMPARTMENT - MULTIPLE AREA OF CORROSION ON FLOORBOARD SPLICE STRAP AT BS 887 FROM LBL 6.5 TO LBL 18.5 WL 155. (MARKED)<[01] VERIFIED APPLICABILITY FOR SRM 51-10-02 PARAG 9.;[02] CORROSION ON ACB;FLOORBOARD SPLICE STRAP AT BS887 FROM LBL 6.5 TO LBL18.5;WL155.FOUND TO BE OUT OF LIMITS;PART HAS NOT ALLOWABLE DAMAGE ON SRM;PART IS REPAIRABLE BY REPLACEMENT PER SRM 51-10-02 PARAG 9.;[03] CONCUR WITH APPLICABILITY OF SRM 51-10-02 PARA.9.<BR>VERIFIED CORRECTIVE ACTION ITEM 2.<BR>VERIFIED MEASUREMENT TABLE COMPLETED.;[04] RECEIVED; LOCATED; DRILLED AND INSTALLED<BR>NUTPLATES ON NEW SPLICE STRAP<BR>P/N 146A9401-39 LOT#1467489<BR>IAW SRM 51-40-05 AND SRM 51-40-02<BR>AND DWG 146A7500;[05] VERIFIED CORRECTIVE ACTION #4

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