Service difficulty report · Floor Support · Boeing 7378H4

Difficulty date
December 22, 2023
Submitted
January 26, 2024
Operation
Air carrier
Aircraft
N8559Q
Make and model
Boeing 7378H4
Aircraft serial
63584
Aircraft time
19,801 hours, 9,988 cycles
Part
Floor Support
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

AFT PASSENGER COMPARTMENT FLOOR INTERCOSTAL JUST AFT OF FLOOR BEAM STA. 947 RBL 50; EVIDENCE OF CORROSION UNDER GALLEY TIE-DOWN FITTING.(MARKED) <BR>NOTE: PHOTO ATTACHED.<[01] REMOVED CORROSION PER SRM 51-10-02. BLENDED AREA OUT OF ALLOWABLE LIMITS PER SRM 53-70-51-1A-1;[02] STEP#1 C/W INSPECTION;[03] REMOVED INTERCOSTAL PER SRM 51-40-02 AND DRILL NEW INTERCOSTAL PER SRM 51-40-05.;[04] VERIFIED C/A #3.;[05] INSTALLED BONDED NUT PLATE PER SRM 51-40-10. 12/23/23 @@4:00 AM;[06] REMOVED GALLEY TIE-DOWN FITTING PER SRM 51-40-02.;[07] PERFORMED NUTPLATE PUSH TEST PER SRM 51-40-10-2R-0. NUTPLATES OK.;[08] VERIFIED C/A #5. TEKLU GEBREMARIAM (TECHNICIAN); 23-DEC-2023 10:24 UTC<BR>INSTALLED BONDED NUT PLATE PER SRM 51-40-10. 12/23/23 @@4:00 AM<BR><BR>INSPECTED WORK ACCOMPLISHED IN C/A #7. GEOFFREY SNYDER (TECHNICIAN); 24-DEC-2023 00:01 UTC PERFORMED NUTPLATE PUSH TEST; NUTPLATES OK; PER SRM 51-40-10-2R-0.;[09] REMOVED AND REPLACED INTERCOSTAL AT STA 947 RBL 50 PER SRM 51-40-02;[10] INSPECTED WORK PERFORMED

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