Service difficulty report · Frame · Boeing 73776N

Difficulty date
August 30, 2023
Submitted
September 26, 2023
Operation
Air carrier
Aircraft
N7822A
Make and model
Boeing 73776N
Aircraft serial
32596
Aircraft time
65,627 hours, 33,285 cycles
Part
Frame
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

CORROSION ON FRAME CHORD AT AREA AFT OF FWD CARGO BAY BS500D RBL8 WL151.<[01] VERIFIED CORROSION REMOVED; THE REQUESTED NDT INSPECTIONS IS FOR ENGINEERING SUPPORT.;[02] COMPLETED STEP 6.;[03] REJECTED: SEE TTG8Q00NJT8E AND TTG8Q00NJTH5;[04] ACCOMPLISHED EA 23-153-02719 (N7822A - ATS(PAE) - REPAIR TO FAILSAFE CHORD BS 500D WL 151;[05] VERIFIED.<BR>VERIFIED MEASUREMENTS.

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