Service difficulty report · Plate · Boeing 7378

Difficulty date
September 16, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N8712L
Make and model
Boeing 7378
Aircraft serial
36930
Aircraft time
13,027 hours, 5,853 cycles
Part
Plate
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

IN THE FWD CARGO BAY; THE RIGHT HAND SIDE PLATE FROM STATION 500D TO 500E HAS EVIDENCE OF CORROSION AROUND THE NUT PLATE HOLES.<[01] UPDATED TOOL INF.;[02] OUT OF LIMIT IAW SRM 53-00-53-1A-2. ORIGINAL THICKNESS .040 REMAINING THICKNESS IS .015.;[03] LOCATE AND MATCH DRILLED THE FWD CARGO RIGHT HAND NEW SIDEPLATE CHANNEL ASSY P/N 143A7501U188 PER SRM 51-40-05.;[04] OK TO INSTALL NEW SIDE PLATE FROM B/S 500A TO 500I RBL 21;[05] OK TO INSTALL NEW SIDE PLATE FROM B/S 500A TO 500I RBL 21;[06] REMOVED AND REPLACED SIDE PLATE FROM B/S 500A TO 500I RBL 21. IAW SRM 51-40-02.;[07] VERIFIED REMOVED AND REPLACED SIDE PLATE FROM B/S 500A TO 500I RBL 21. IAW SRM 51-40-02.;[08] RII IS C/W. VERIFIED REMOVED AND REPLACED SIDE PLATE FROM B/S 500A TO 500I RBL 21. IAW SRM 51-40-02.

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