SDR IPXA11565182

Service difficulty report · Floorbeam · Boeing 75724APF

Difficulty date: March 6, 2011
Submitted: March 9, 2011
Operation: Air carrier
Aircraft: N402UP
Make and model: Boeing 75724APF
Aircraft serial: 23724
Aircraft time: 27,361 hours, 19,027 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1540
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

INSPECTION TYPE:C3, MAIN CARGO BAY BS 1540 FLOORBEAM UPPER AFT FLANGE IS CORRODED RBL 36.5 AND 40 WL 208. VALIDATED REPAIR IAW SRM 53-60-51-1A, FIG 1 AND 53-00-51-1A, FIG 101. REMOVED CORROSION L2.5" X 1.5" WX.002D ORIGINAL THICKNESS .220". REMAINING THICKNESS IS .218" AT STA 1540 RBL 36.5 TO 40, WL 208 IAW 51-10-02-0G STEP 14A, 1 THRU 3, STEP 15 A THRU D, 1 THRU 5 AND DETAIL V. ALODINE, PRIME AND PAINTED IAW 51-20-01-0G AND AMM.

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