Service difficulty report · Support Channel · Boeing 7377H4

Difficulty date
May 11, 2025
Submitted
June 9, 2025
Operation
Air carrier
Aircraft
N942WN
Make and model
Boeing 7377H4
Aircraft serial
36648
Aircraft time
51,445 hours, 31,499 cycles
Part
Support Channel
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 CHANNEL SUPPORT LOCATED BETWEEN BS500A AND BS500B LBL24 WL 156.5 AT FWD CARGO COMPARTMENT 2025-310101<[01] TOOL USED: ULTRASONIC EQUIPMENT P/N 45MG S/N 232019809 DUE DATE: 08-OCT-25.;[02] REPAIRED CHANNEL SUPPORT (SUPPORT ZEE) LOCATED BETWEEN BS480 AND BS500D LBL24 WL 156.5 AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-6 REPAIR 6 PARAGRAPH 4 ITEM L; SRM 51-40-02 AND DWG 143A7500 SHEET: 71; REV: -. SEE INDIVIDUALS SIGN OFF BELOW;[03] CERTIFIED RII MAJOR REPAIR WORK PERFORMED. <BR>SEE INDIVIDUAL SIGN OFF BELOW.

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