Service difficulty report · Support Beam · Boeing 7377H4

Difficulty date
September 21, 2023
Submitted
October 12, 2023
Operation
Air carrier
Aircraft
N421LV
Make and model
Boeing 7377H4
Aircraft serial
32452
Aircraft time
71,597 hours, 42,416 cycles
Part
Support Beam
Part number
UNKNOWN
Condition
Cracked
Location
Zn 600 Right Win
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

RH WING TRAILING EDGE STRUCTURE AFT SUPPORT BEAM IS CRACKED ALL THE WAY THROUGH; UNDER #8 SPOILER; O/B OF TRANSVERSE WEB; AFT OF TORQUE TUBE (MARKED)<[01] REMOVED AND REPLACED R/H WING T/E STRUCTURE AFT SUPPORT BEAM UNDER #8 SPOILER O/B OF TRANSVERSE WEB AFT OF TORQUE TUBE IAW SRM 51-40-02-0G-0 PARA 4 AND 7; AMM 20 50 11-910-801 TABLE 201; AND AIPC 57-50-00-18.<BR><BR>TORQUE WRENCH CAL ID: PER2331; CAL DUE: 03/2024.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE

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