Service difficulty report · Baffle · Boeing 7377H4

Difficulty date
June 9, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
57,549 hours, 34,726 cycles
Part
Baffle
Condition
Cracked
Location
Zone 100
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 FLOOR TO SIDEWALL SUPPORT AT FCB BS440 - BS480; BS500 - BS500D; LBL23 WL156. DURING OK TO INSTALL SIDEWALL SUPPORT FOUND BAFFLE CRACKED AT FCB STA 400 APPROX. LBL 23 AND WL 156; REMOVED AND REPLACED SIDEWALL SUPPORT AT FCB BS 396-BS 500D LBL 23 WL 156 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. INSTALLED FLOOR TO SIDEWALL SUPPORT BS396 TO BS500D LBL23 WL 156 IAW 51-40-02-0G-0 AND DWG 43A7500. R & R SIDEWALL SUPPORT AT FCB BS 396-BS 500D LBL 23 WL 156, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. INSTALLED FLOOR TO SIDEWALL SUPPORT BS396 TO BS500D LBL23 WL 156 IAW 51-40-02-0G-0 AND DWG 143A7500 REV:-. FOUND SIDEWALL SUPPORT INSTALLATION INCORRECT, EXISTING SHIM BETWEEN SIDEWALL SUPPORT AND BAFFLE AT BS 500 AND BS 500A NOT CALLED IN MECHANICAL DRAWING 143A7500 REV:-. FOUND SEVERAL GAPS ALONG SIDEWALL SUPPORT BAFFLES. REMOVED & REINSTALLED CORRECTLY FLOOR TO SIDEWALL SUPPORT BS396 TO BS500D LBL23 WL 156 IAW 51-40-02-0G-0 AND DWG 143A7500 REV:-.

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