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 25<[01] REMOVED CORROSION FOUND TO BE OUT OF LIMIT IAW SRM 53-70-51-1A-1;[02] C/W INSPECTION.;[03] REJECT: STEPS 1-10 ARE WRITTEN TO INDICATE THAT WORK HAS BEEN ACCOMPLISHED; BUT THERE IS NO SIGNATURE FOR THAT WORK AS REQUIRED PER MPM 51.03.01<BR><BR>PLEASE SEE PAUSE NOTES UNDER 'TASK INFORMATION' TAB FOR GUIDANCE.;[04] REMOVED DAMAGE STA 947 LBL 8 TO LBL 59 PER SRM 53-70-51-2R-5.;[COMPLIED WITH INSP. LOCATED AND DRILLED FLOOR BEAM T CAP ;FABRICATED REPAIR ANGLE ;FILLERS AND REPAIR CLIPS PER SRM 53-70-51-2R-.(RII);[16] COMPILED WITH FLOOR BEAM T CAP REPAIR PER SRM 53-70-51-2R. SEE WORK STEPS<BR>AND WORK ENTRIES FOR DETAILS. NO DEFECT. (RII)

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