Service difficulty report · Channel · Boeing 7377H4

Difficulty date
November 11, 2023
Submitted
December 14, 2023
Operation
Air carrier
Aircraft
N462WN
Make and model
Boeing 7377H4
Aircraft serial
32466
Aircraft time
64,652 hours, 38,523 cycles
Part
Channel
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 ACB CARGO RAIL STA-767 RBL-3.0<[01] CORROSION ACB CARGO RAIL STA-767; RBL3; WL 156; FOUND TO BE OUT LIMITS VERIFIED APPLICABILITY OF SRM 53-60-53-0L-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE.<BR><BR>PERFORMED TRIM OUT OF THE UPPER FLANGE OF RAIL BEAM AT A JOGGLE LOCATION ON AFT CARGO BAY AT BS 767 RBL3; IAW SRM 53-00-53-2R-2. REPAIR 2. ALTERNATIVE 5.<BR><BR>LOCATED; DRILLED AND INSTALLED NEW REINFORCING CHANNEL AT CARGO RAIL BS 767 RBL3; P/N HFAB53-CN-017; LOT: 1545734-1; PER SRM 53-00-53-2R-2; ALTERNATIVE 5.;[02] VERIFIED COMPLETION OF CORRECTIVE ACTIONS 1 AND MEASUREMENT TABLE.

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