SDR SCNA20201008101

Service difficulty report · Channel · Boeing 7378Q8

Difficulty date: September 16, 2020
Submitted: October 8, 2020
Operation: Air carrier
Aircraft: N801SY
Make and model: Boeing 7378Q8
Aircraft serial: 30332
Aircraft time: 63,730 hours, 24,799 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 312-344
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

FWD ENTRY DOOR MOP SILL CORRODED BS 312 + 5" TO BS 344 LBL 58. NDED CORROSION ON FWD ENTRY CHORD (MOPSILL) BS 312+5 TO 344 LBL 58 WL 208, FOUND OUT OF LIMITS DUE TO CROSSING OVER FASTENER HOLES, PER SRM 53-10-15-1A-2 (DETAIL D&G). REMOVED AND REPLACED INNER CHORD (MOPSILL), PER B737-800 SRM 51-40-02 AND DRAWING 141A8110 REV G.

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