SDR SWAA2022030134667

Service difficulty report · Floor Splice · Boeing 7377H4

Difficulty date: January 1, 2019
Submitted: March 1, 2022
Operation: Air carrier
Aircraft: N402WN
Make and model: Boeing 7377H4
Aircraft serial: 29814
Aircraft time: 63,146 hours, 36,758 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Splice
Condition: Corroded
Location: Aft Cargo Bay
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

***CORROSION*** AFT CARGO BAY FLOOR SPLICE SUPPORT AT STA 887 HAS MULTIPLE SPOTS OF CORROSION ON UPPER SURFACE FROM RBL 22 TO LBL 6 / REMOVED CORROSION AFT CARGO BAY FLOOR SPLICE SUPPORT STA 887 RBL 22 TO LBL 6 NO SRM ENTRYS AVAILABLE; REPLACED WITH NEW PART PER SRM 51-10-02-0G-0. LOCATED AND DRILLED NEW SPLICE SUPPORT IAW SRM 51-40-05-0G-0; DWG# 146A9401. P.O.# 725077 RECEIPT# 5078496 PN# 146A9401U21 INSTALLED NUTPLATES IAW DWG# 146A9401 REV A AND SRM 51-40-02-0G-0. PART TO BE INSTALLED ON JPANEL-141-CLOSE CARD

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