SDR FDEA2019121323229

Service difficulty report · Tee Fitting · Boeing 757232

Difficulty date: December 12, 2019
Submitted: December 31, 2019
Operation: Air carrier
Aircraft: N990FD
Make and model: Boeing 757232
Aircraft serial: 22909
Aircraft time: 84,848 hours, 43,091 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Tee Fitting
Part number: 111N52075
Condition: Corroded
Location: Fuselage
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

MAIN DECK BETWEEN STA 900 - 1040 LBL 45.5 T CHORD CORRODED. REMOVED CORROSION ON MAIN DECK STA 900 TO 1040 LBL 45.5 TEE CHORD IAW SRM 51-40-02-OG, EVALUATED DAMAGE AREA ORIG MAT .090",MAT REM .067", MAT LOSS .023" FOUND TO BE OUT FO LIMITS IAW SRM 53-00-51-1A FIG 101 DET VI, REMOVED TEE CHORD, FABRICATED AND INSTALLED NEW TEE CHORD IAW SRM 51-40-02-OG AND DWG 111N5201 REV E.