Service difficulty report · Baffle · Boeing 7377H4

Difficulty date
August 5, 2021
Submitted
September 14, 2021
Operation
Air carrier
Aircraft
N491WN
Make and model
Boeing 7377H4
Aircraft serial
33867
Aircraft time
53,758 hours, 31,898 cycles
Part
Baffle
Condition
Damaged
Location
Bs 500c-500d
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

FCB R/H BAFFLE HAS OVERSIZED HOLES COMMON TO UPPER FLANGE BS500C TO BS500D RBL21 WL156 ; / [01] EVALUATED BAFFLE; FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] REMOVED BAFFLE BS 500C-500D RBL 21; LOCATED DRILLED NEW BAFFLE ALL PER SRM 51-40-02-0G-0; 51-40-05; DWG 143A7505. OK TO INSTALL; [03] VERIFIED CORRECTIVE ACTIONS 1 AND 2 OK TO INSTALL; [04] INSTALLED NEW FLOOR TO SIDEWALL SUPPORT BS 500C-500D RBL 21 PER SRM 51-40-02-0G-0 AND DWG 143A7505; [05] VERIFIED INSTALLED NEW FLOOR TO SIDEWALL SUPPORT BS 500C-500D RBL 21 PER SRM 51-40-02-0G-0 AND DWG 143A7505

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