Service difficulty report · Support Beam · Boeing 7378H4

Difficulty date
December 12, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
37,321 hours, 17,423 cycles
Part
Support Beam
Part number
UNKNOWN
Condition
Cracked
Location
Zn 500 Left Wing
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

CRACK ON SUPPORT BEAM LOCATED TRAILING EDGE DEFLECTION CONTROL RIB AT LT WING 2023-751706<[01] TOOL USED ET EQUIPMENT: P/N: NORTEC 600D; S/N: 210138203; CAL DUE DATE: 09-JUN-24;[02] PERFORMED PERMANENT REPAIR LOC TRAILING EDGE ON SUPPORT BEAM LOCATED TRAILING EDGE DEFLECTION CONTROL RIB AT LT WING IAW B737-800 SRM 57-51-02-2R-3 REPAIR 3; SRM 57-51-02-2R-1 REPAIR 1 AND SRM 51-40-02 SEE INDIVIDUAL SIGN OFF BELOW;[03] CERTIFIED WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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