Service difficulty report · Support Beam · Boeing 7377H4

Difficulty date
November 3, 2023
Submitted
November 7, 2023
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
64,049 hours, 38,175 cycles
Part
Support Beam
Part number
UNKNOWN
Condition
Out Of Limits
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

SHELF PANEL SUPPORT BEAM REQUIRES SRM REPAIR 57-51-02 REPAIR 1 TO BE ACCOMPLISH WITH REPAIR 3<[01] FOUND THE SLOT IN THE EXISTING FIXED TRAILING EDGE SUPPORT BEAM EXCEEDS THE MAXIMUM DIMENSIONS ALLOWED. SUPPORT BEAM IS OUT OF LIMITS PER SRM 57-51-02-2R-1 PAR 4.B AND IS BEING REPLACED;[02] LOCATED AND DRILLED INBOARD SERRATED PLATE ON NEW SHELF PANEL SUPPORT BEAM PER SRM 51-40-02; OK TO INSTALL INBOARD SERRATED PLATE;[03] OK TO INSTALL SERRATED PLATE ON NEW SHELF PANEL SUPPORT BEAM.;[04] OK TO INSTALL NEW SHELF PANEL SUPPORT BEAM.;[05] INSTALLED NEW FIXED TRAILING EDGE SUPPORT BEAM AND PARTS ASSOCIATED WITH REPAIR 1 PER SRM 57-51-02-2R-1;[06] APPLIED FILLET SEAL AND DECORATIVE PAINT TO REPAIR AREA PER SRM 57-51-02-2R-1;[07] REMOVED AND REPLACED AND INCORPORATED REPAIR 1 TO FIXED TRAILING EDGE SUPPORT BEAM PER SRM 57-51-02-2R-1. SEE ABOVE C/A?S FOR INDIVIDUAL SIGN OFFS;[08] INSPECTED WORK ACCOMPLISHED IN C/A 5. NICHOLAS AYLOR (TECHNICIAN); 04-NOV-2023 21:38 UTC <BR>INSTALLED NEW FIXED TRAILING EDGE SUPPORT BEAM AND PARTS ASSOCIATED WITH REPAIR 1 PER SRM 57-51-02-2R-1<BR>6. NICHOLAS AYLOR (TECHNICIAN); 05-NOV-2023 00:45 UTC <BR>APPLIED FILLET SEAL AND DECORATIVE PAINT TO REPAIR AREA PER SRM 57-51-02-2R-1<BR>7. NICHOLAS AYLOR (TECHNICIAN); 05-NOV-2023 00:47 UTC <BR>REMOVED AND REPLACED AND INCORPORATED REPAIR 1 TO FIXED TRAILING EDGE SUPPORT BEAM PER SRM 57-51-02-2R-1. SEE ABOVE C/A?S FOR INDIVIDUAL SIGN OFFS;[09] C/W INSPECTION REQUIREMENTS.

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