SDR SWAA2022032547890

Service difficulty report · Channel · Boeing 7378H4

Difficulty date: November 27, 2019
Submitted: May 16, 2022
Operation: Air carrier
Aircraft: N8621A
Make and model: Boeing 7378H4
Aircraft serial: 36917
Aircraft time: 21,611 hours, 9,427 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Channel
Condition: Corroded
Location: Fwd Cargo Rh
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*** FWD CARGO PIT R/H Z CHANNEL HAS CORROSION BS 500A TO BS 520 RBL 25 WL 156 / CORROSION FWD CARGO R/H Z CHANNEL AT 400DA TO 520; RLB 25; WL 156; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED FWD CARGO R/H Z CHANNEL STA 500A TO 520; RBL 25; WL 156; ITEM #BAC1496-444; LOT #5084345-3; PO #745902/E IAW SRM 51-40-02-0G-0; SRM 53-00-53-2R-5; AND BOEING DWG 143A7500 59027U 3DEC19 SPLICE PLATE LOCATION VERIFIED AT STA 500E-500F 59326U 12/3/19

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