SDR UPS99529151

Service difficulty report · Beam · Boeing 75724APF

Difficulty date: March 24, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N413UP
Make and model: Boeing 75724APF
Aircraft serial: 23853
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Beam
Condition: Corroded
Location: Bs 1064
Stage of operation: IN
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 TYP-C, MAIN DECK OVERWING LONGITUDINAL BEAM HAS CORROSION ON OUTBOARD FLANGE AT BS 1064 RBL 47 WL 208. REMOVED CORROSION ON LONGITUDINAL BEAM, FOUND TO BE OUT OF LIMITS. REMOVED LONGITUDINAL BEAM AT BS 1040 TO 1080, RBL 45.5 AND INSTALLED NEW LONGITUDINAL BEAM AT BS 1040 TO 1080 ALL WORK DONE IAW SRM 51-40-02, SRM 53-00-51, SRM 51-40-05 AND SRM 51-20-05.

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