SDR DALA2015050403076

Service difficulty report · Crease Beam · Boeing 7572Q8

Difficulty date: May 2, 2015
Submitted: May 5, 2015
Operation: Air carrier
Aircraft: N710TW
Make and model: Boeing 7572Q8
Aircraft serial: 28169
Aircraft time: 64,167 hours, 18,489 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Crease Beam
Condition: Corroded
Location: Bs 1380
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

MAIN CABIN, CORROSION NOTED ON CREASE BEAM , STA 1380 S17R 8" X 3". REMOVED SECTION OF WEB AT STA 1380 TO 1400 RT. WEB FOUND OUT OF LIMITS IAW SRM 53-60-13 WITH MORE THAN 80 PERCENT MATERIAL LOSS. FABRICATED NEW WEB FROM 7075T6. 0.040" DIM 7" X 19.5". PART ALODINED, PRIMED, TOP COATED & INSTALLED ALL IAW SRM 51-20-01, 51-40-02 & DWG 149N5590 REV-R. LP1931185.

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