SDR SWAA2026102968964

Service difficulty report · Channel · Boeing 7378H4

Difficulty date: September 24, 2026
Submitted: October 30, 2026
Operation: Air carrier
Aircraft: N8655D
Make and model: Boeing 7378H4
Aircraft serial: 42529
Aircraft time: 39,613 hours, 19,362 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 146A750231
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

AFT CARGO BAY, FOUND CORROSION ON ZEE CHANNEL AT SEVERAL LOCATIONS FROM BS 727C - 847, LBL 21, WL 155. CORROSION REMOVED ON THE ZEE CHANNEL AND FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-2 REMOVED IAW SRM 51-10-02, STEP 9C & INSTALLED A NEW ZEE CHANNEL IAW SRM 51-40-02-0G-0, AND DWG 146A7500, REV -.

More about the Boeing 737-8H4