SDR SCNA20201007075

Service difficulty report · Channel · Boeing 7378Q8

Difficulty date: September 10, 2020
Submitted: October 7, 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 727b-827
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 LEFT HAND Z CHANNEL HAS MULTIPLE AREAS OF CORROSION STATION 727B-827, MARKED. REMOVED AND REPLACED AFT CARGO LEFT HAND Z CHANNEL FROM BS 727B-827, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING 146A7502 REV. NOTE: CORROSION WAS FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS AT FASTENER LOCATIONS, PER SRM 53-00-53-1A-2.

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