SDR SWAA2025050553975

Service difficulty report · Floor Support · Boeing 7377H4

Difficulty date: March 26, 2025
Submitted: May 5, 2025
Operation: Air carrier
Aircraft: N290WN
Make and model: Boeing 7377H4
Aircraft serial: 36632
Aircraft time: 57,406 hours, 34,635 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: V
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 ON INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN 2025-232185<[01] REPLACED INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9; DWG 147A5600 SHEET 32 REV. B. SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED INTERCOSTAL LOCATED BTW BS 986.5 TO BS 1006 LBL 22 WL 208.1 AT PASSENGER CABIN IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9; DWG 147A5600 SHEET 32 REV. B. SEE INDIVIDUAL SIGN OFF BELOW.

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