Service difficulty report · Floorbeam · Doug MD9030

Difficulty date
February 8, 2020
Submitted
February 10, 2020
Operation
Air carrier
Aircraft
N908DA
Make and model
Doug MD9030
Aircraft serial
53388
Aircraft time
63,141 hours, 34,883 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 522
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

CORROSION ON FLOOR SUPPORT STA 522 BTW LONGS 26RH TO 26LH AT FWD CARGO COMPARTMENT MRB 53-302-07 (CCD) CORROSION LEVEL 1. CORROSION WAS REMOVED PER MD-90 SRM 51-10-03 PAR 26 (A) VOL II. (ET) HFEC INSPECTION WAS ACCOMPLISHED ON FLOOR SUPPORT STA 522 BTW LONGS 26RH TO 26LH AT FWD CARGO COMPARTMENT. NO CRACKS WERE FOUND ON REWORKED AREA PER ERA 511165-14MA REV. D AND DC-MD/BOEING NDTSPM PART 6, 06- 10-01.001 (EQUIPMENT: MENTOR C/N:1205 EXP: 08-OCT-20). (UT) WAS ACCOMPLISHED NDT SPM 04-00-07 PAR. 5 FIG. 3, SHEET 1-2, NOMINAL THICKNESS: 0.040" MINIMUM REMAINING THICKNESS IS: 0.038", THEREFORE ARE WITHIN LIMITS PER ERA 511165-14MA REV. D. EQUIPMENT: OLYMPUS 38DL PLUS EXP. DATE: 23/AUG/20. C/N: 1298, S/ N: 140938708, TRANSDUCER V260-RM. S/N: 947479 ASSOCIATED ER/A 00-511165 ADDED FOR AC 9208 (1480675)

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