SDR FDEA201408272331

Service difficulty report · Repair · Boeing 757222

Difficulty date: August 27, 2014
Submitted: August 27, 2014
Operation: Air carrier
Aircraft: N571UA
Make and model: Boeing 757222
Aircraft serial: 26681
Aircraft time: 68,512 hours, 25,239 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Repair
Part number: 146N5089
Condition: Corroded
Location: Fuselage
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

STATION 1640 FLOORBEAM HAS CORROSION ON REPAIR RBL 47. REMOVED CORROSION & FOUND OUT OF LIMITS BY EXFOLIATION IAW SRM 53-00-51 DETAIL III. REMOVED FLOORBEAM IAW SRM 51-40-02. FABRICATED NEW FLOORBEAM FROM 1518-338A BATCH 0002347989 IAW DWG 146N5089 & SRM 51-40-02. TREATED & PRIMED IAW SRM 51-20-01. APPLIED TOP COAT IAW SRM 51-21-10-7. PART MARKED IAW GMM 7-0-1001. INSTALLED FLOORBEAM & STRINGER CLIPS IAW SRM 51-40-02. CATEGORY A MAJOR REPAIR.