Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
December 7, 2023
Submitted
January 15, 2024
Operation
Air carrier
Aircraft
N8562Z
Make and model
Boeing 7378H4
Aircraft serial
64171
Aircraft time
19,397 hours, 9,806 cycles
Part
Floor Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 PASSENGER COMPARTMENT FLOOR STRUCTURE HAS EVIDENCE OF CORROSION UNDER AND AROUND SEALANT AT STA 947 LBL 52<[01] TOOL UPDATE;[02] REJECT: MEASUREMENT #17 'CORRODED ELEMENT PART NUMBER ()' HAS P/N 146A5504-29 ENTERED WHICH DOES NOT SHOW AS APPLICABLE IN EITHER THE BOEING PART NUMBER SEARCH OR THE AIPC SEARCH.<BR><BR>PLEASE VERIFY PART NUMBER BEFORE CLOSING OUT FAULT.<BR><BR>**PLEASE NOTE THAT ALL CORRECTIONS MUST BE DONE ON ORIGINAL FAULT. INSPECTION WILL CLEAR REJECTION FAULT AFTER REJECTED TASK/FAULT HAS BEEN CORRECTED.**;[03] INSPECTION CONFIRMS MEASUREMENT #17 HAS BEEN CORRECTED WHICH CLEARS THE REJECTION NOTED IN CORRECTIVE ACTION #2. THE ATTACHED REJECTION CARD HAS BEEN CLEARED AT THIS TIME PER MPM 51.03.01;[04] WORK ACCOMPLISHED ON TTG8Q004M06.;[05] REPAIR TO BE ACCOMPLISHED ON NON ROUTINE TTG8Q004M06. SEE NON ROUTINE FOR INDIVIDUAL SIGN OFFS AND WORK INSTRUCTIONS;[06] COMPLIED WITH INSPECTION REPAIR TO BE ACCOMPLISHED ON NON ROUTINE TTG8Q004M06. SEE NON ROUTINE FOR INDIVIDUAL SIGN OFFS AND WORK INSTRUCTIONS;[07] COMPLIED WITH INSPECTION REPAIR TO BE ACCOMPLISHED ON NON ROUTINE TTG8Q004M06. SEE NON ROUTINE FOR INDIVIDUAL SIGN OFFS AND WORK INSTRUCTIONS

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