SDR UPS99529153

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 900-1040
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 TYPE-C, MAIN DECK OVERWING LONGITUDINAL BEAM HAS CORROSION ALONG OUTBOARD FLANGE AT BS 900 TO 1040 RBL 45 WL 208. REMOVED CORROSION ON LONGITUDINAL BEAM FROM BS 900 TO 1040, FOUND SEVERAL AREAS OUT OF LIMITS. REMOVED CORRODED LONGITUDINAL BEAM AND INSTALLED NEW LONGITUDINAL BEAM. 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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