Service difficulty report · Seal · Boeing 7377H4

Difficulty date
July 7, 2021
Submitted
August 19, 2021
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
39,425 hours, 23,903 cycles
Part
Seal
Condition
Cracked
Location
Vertical Stab
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

A22-78; VERTICAL STAB STA 1018; LBL & RBL10'; JUST ABOVE FWD SPAR ATTACH LUGS; WEB STIFFNER CRACKED @ LEFT & RIGHT SIDES @ STRAIN RELIEF CUTOUTS; MRK'D. ; / [01] REMOVED EXPANSION JOINT ASSY. IAW SRM 51-40-02-0G-0; [02] VERIFIED NEW SPRING SEAL AS P/N 176A3101-26 ATAG BF3645 IAW IPC 55-33-11-02A; DWG 176A3101 REV -. LOCATED AND DRILLED NEW SEAL IAW SRM 51-40-05-0G-0 DWG 176A3101 REV -.; [03] C/W STEP 2<BR>OK TO INSTALL; [04] INSTALLED NEW SPRING SEAL ASSEMBLY IAW SRM 51-40-02-0G-0; DWG 176A3101 REV -.; [05] REMOVED AND REPLACED VERT. STAB STA 1018 SPRING SEAL P/N176A3101-26 IAW SRM 51-40-02-0G-0; DWG 176A3101 REV -.; [06] VERIFIED STEPS 4 AND 5<BR>AUDIT C/W

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