SDR DALA2023042703291

Service difficulty report · Intercostal · Boeing 7379

Difficulty date: April 24, 2023
Submitted: April 27, 2023
Operation: Air carrier
Aircraft: N939DZ
Make and model: Boeing 7379
Aircraft serial: 38720
Aircraft time: 27,661 hours, 14,366 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Condition: Corroded
Stage of operation: IN
How discovered: O
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

(LOG 2735149) DURING INSPECTION FOUND PASSENGER COMPARTMENT, WL 208, LBL 12 INTERCOSTAL BETWEEN BS. 294.5 AND BS 312 HAS CORROSION. REMOVED DAMAGED INTERCOSTAL FROM PASSENGER COMPARTMENT BS 294.5 BS 312 LBL 12 PER B737 S.R.M 51-40-02-0G AND INSTALLED A NEW INTERCOSTAL PER B737 S.R.M 51-40-02-0G AND B DWG# 141A5600.

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