SDR DALA2020042102287

Service difficulty report · Stringer · Boeing 75726D

Difficulty date: April 17, 2020
Submitted: April 21, 2020
Operation: Air carrier
Aircraft: N821DX
Make and model: Boeing 75726D
Aircraft serial: 33961
Aircraft time: 42,969 hours, 21,028 cycles
System (JASC): 5313 · Fuselage Main, Longeron/Stringer
Part: Stringer
Condition: Corroded
Location: Fuselage
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

SHIP 6821 DURING SVC FOUND SHEARED RIVET ON SKIN AT APPROX STA 666 ST 27R REF. WITH DAMAGE STICKER LG PG 2231376 AND SKIN IS BULGED IN THAT AREA. CORRECTIVE ACTION: FOUND EVIDENCE OF CORROSION, STARTED TO REMOVE SPLICE, TRANSFERRED TO NON-ROUTINE 18. REMOVED AND REPLACED DAMAGED STRINGER SECTION 27R PER ER/A 586631-14. (6619471)

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