SDR COEA0755821

Service difficulty report · Intercostal · Aerosp ATR72202

Difficulty date: September 4, 2007
Submitted: January 7, 2008
Operation: Air carrier
Aircraft: N821FX
Make and model: Aerosp ATR72202
Aircraft serial: 253
Engine: Pwa PW127
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: S5367800920002
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

FOUND DURING HEAVY CHECK. LEVEL 2 CORROSION: CABIN FLOOR SUPPORT STRUCTURES T-CHANNEL INTERCOSTALS ARE CORRODED BETWEEN STRINGERS 16 AND 17L AND STRINGERS 16 AND 17R, BETWEEN FLOOR BEAMS 36 TO 38 LT AND RT. REMOVED AND REPLACED FLOOR SUPPORT STRUCTURES T-CHANNELS. PN LT S5367800920002, RT S536780920102. WO 72242, NR 200089, 91. (K)

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