Service difficulty report · Rib · Boeing 7377BD

Difficulty date
June 6, 2021
Submitted
July 2, 2021
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
50,877 hours, 26,372 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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

RIGHT STAB LEADING EDGE PANEL 8TH RIB FROM INBOARD END IS CRACKED ; / [01] REMOVED RH STAB LE RIB ASSY AT LE STA 142.45 IAW SRM 51-40-02-0G-0; [02] VERIFIED NEW RIB ASSY AS P/N 186A1308-2 A TAG IE0100 PER DWG 186A1308 REV-; [03] C/W STEP 2; [04] LOCATED AND DRILLED NEW RIB ASSY. IAW SRM 51-40-05-0G-0; [05] C/W STEP 4<BR>OK TO INSTALL; [06] INSTALLED NEW RIB ASSY AT LE STA 142.45 IAW SRM 51-40-02-0G-0; DWG 186A1308 REV -; [07] REMOVED AND REPLACED RIB ASSY AT LE STA 142.45 IAW SRM 51-40-02-0G-0; DWG 186A1308 REV -. RESTORED CIC IAW AMM 51-21-91; [08] C/W STEP7; [09] AUDIT C/W

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