SDR DALA1129929875

Service difficulty report · Floor Panel · Doug DC951

Difficulty date: April 28, 2011
Submitted: April 29, 2011
Operation: Air carrier
Aircraft: N784NC
Make and model: Doug DC951
Aircraft serial: 48109
Aircraft time: 71,726 hours, 65,746 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Cabin
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

PASSENGER CABIN FLOOR PANEL 22-50 HAS CORROSION OUT OF LIMITS REF SRM 53-01, PG 8 FIG 1. REMOVED HAT CHANNELS SKIN REF SRM 51-30-2, PG 1-14. FABRICATED SKIN USING 7075T6-.040 BATCH 0001804643 REF SRM 53-23-0, PG 6, FIG 3. TREATED SKIN REF SRM 51-10-3, PG 40, PARA 21 & PRIMED REF SRM 51-10-3, PG 31, PARA 14. INSTALLED HAT CHANNELS REF SRM 51-30-2, PG 1-14, (5EA).

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