SDR SWAA2020101317700

Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date: September 23, 2020
Submitted: October 13, 2020
Operation: Air carrier
Aircraft: N498WN
Make and model: Boeing 7377H4
Aircraft serial: 32480
Aircraft time: 54,229 hours, 32,111 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 747-827
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 COMPARTMENT BILGE FLOOR SUPPORT ANGLE AT S-26R FROM STA 747 TO 827 MKD DOTS 60-014. REMOVED CORROSION AT AFT CARGO COMPARTMENT BILGO FLOOR SUPPORT TRACK. FOUND OUT OF LIMITS, AS PER REF B737-700 SRM 53-00-53-1A-1. REPAIRED TRACK, AS PER REF B737-700 SRM 53-00-53-2R-3 FROM STA 755 TO STA 887 RBL 13.8 ALTERNATIVE 1.

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