SDR DU4R2006637

Service difficulty report · Keelbeam · Doug MD88

Difficulty date: September 22, 2006
Submitted: October 11, 2006
Operation: Air carrier
Filed by: DU4R141M
AAR Aircraft Services, LLC
Aircraft: N921DL
Make and model: Doug MD88
Aircraft serial: 49645
System (JASC): 5314 · Fuselage Main, Keel
Part: Keelbeam
Condition: Corroded
Location: Bs 984 S30l
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

CORROSION ON C/W SECTION (KEELBEAM) FS 984 L-30 SUPPORT FLANGE. REMOVED SUPPORT, FABRICATED NEW ANGLE 13 BY 3 BY 7 FROM 2024-T3 .063”, AND INSTALLED IAW DC-9/MD-80 SRM 51-30-5 PG 29, 53-01 FIG 1, 51-10-2, 51-10-3D, 51-10-4D AND DELTA PS 900-4-1, NR 1.

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