Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
November 18, 2021
Submitted
January 10, 2022
Operation
Air carrier
Aircraft
N770SA
Make and model
Boeing 7377H4
Aircraft serial
30589
Aircraft time
69,290 hours, 41,022 cycles
Part
Fitting
Condition
Corroded
Location
Vert To Fuse
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

VERTICAL STAB FRONT SPAR LEFT FWD FUSELAGE FITTING BORE HAS PITTING ; / [01] REMOVED CORROSION AT VERTICAL STAB. FUSELAGE FRONT SPAR LH SIDE LUG BORE ; REAM FITTING HOLE FWD 1.2040'' AND AFT 1.1197'' AS PER B737 SRM -51-10-02-0G-0; [02] CORRECTION FOR STEP 1 <BR><BR>HOLE FWD - 1.1197''<BR>HOLE AFT - 1.2040''; [03] VERIFIED 1-2.; [04] REAM FITTING HOLE FWD 1.2040'' AND AFT 1.1197'' AS PER SRM 51-10-02-0G-0 AND EA 21-153-03538 ; AND NEW BUSHING AS FABRICATED AND INSTALLED AS PER EA 21-153-03538.; [05] VERIFIED STEP 5; [06] TOOLING INFO ONLY : BC 15463 09 MAR 22 CAL DATE

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