SDR SWAA2024052981721

Service difficulty report · Intercostal · Boeing 73779P

Difficulty date: May 2, 2024
Submitted: May 29, 2024
Operation: Air carrier
Aircraft: N7869A
Make and model: Boeing 73779P
Aircraft serial: 29365
Aircraft time: 52,194 hours, 35,899 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Intercostal
Part number: UNKNOWN
Condition: Corroded
Location: Bs 294-312 Lbl46
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

CORROSION ON LAV A MOUNT INTERCOSTAL BS 294-312 LBL 46 WL 208. REMOVED DAMAGE INTERCOSTAL DUE NO ALLOWABLE LIMIT GIVEN SRM; LOCATED ; DRILLED NEW INTERCOSTAL AND INSTALLED ALL IAW SRM 51-10-02-0G-0 PAR 9. C, SRM 51-40-05-0G-0, SRM 51-40-02-0G-0, & DWG 141A5600.

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