SDR CALA2021122002414

Service difficulty report · Beam · Airbus A300*

Difficulty date: December 20, 2021
Submitted: December 20, 2021
Operation: Air carrier
Aircraft: N837UA
Make and model: Airbus A300*
Aircraft serial: 1474
Aircraft time: 60,778 hours, 26,551 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Beam
Part number: NA
Condition: Corroded
Location: Y254
Stage of operation: UK
How discovered: O
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

FWD CABIN, FLOOR BEAM Y254 BETWEEN FR16/20 HAS CORROSION. REMOVED FLOOR BEAM Y254 BETWEEN FR16 AND FR20 CORROSION AROUND T D5311281820401 IAW SRM 51-42-11. EMP: V933870 WC: 0018103 STA: S HE SELF-LOCKING CLIP NUT IS NOT PERMITTED IAW SRM 53-11-14-283-0 T ENG BFM SFR# 1027224 07 FIG 004 NOTE 3. L=1.399" W=1.0" D=0.039 ORIGINAL THICKNESS 0 .080" REMAINING THICKNESS 0.041" AND INSTALLED NEW BEAM P/N