Service difficulty report · Unknown · Boeing 737724

Difficulty date
August 23, 2023
Submitted
August 25, 2023
Operation
Air carrier
Aircraft
N23707
Make and model
Boeing 737724
Aircraft serial
28768
Aircraft time
76,586 hours, 27,640 cycles
Part
Unknown
Part number
141A824011
Condition
Corroded
Location
Sta312 - Sta325
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

ELECTRICAL AND ELECTRONICS COMPARTMENT STA 312 TO STA 325 STR 23L HAS EVIDENCE OF CORROSION REF AAR N/R 9204786 REQUIREMENTS FOR THE STR 23L LOWER AUXILIARY SILL OUTER CHORD REPAIR BETWEEN STA 312 AND STA 325 ON AIRCRAFT N23707 IN ACCORDANCE WITH PART 2 OF THE LATEST REVISION OF ECRA 5311-03050 WORK ACCOMPLISHED BY V894495 ELECTRICAL AND ELECTRONICS COMPARTMENT STA 312 TO STA 325 STR23L REPAIRED IN REF TO ESR/RES NO.2021347-16-5139 AND ECRA5311-03050 UPON THE ACCOMULATION OF 48,000 TOTSL AIRCRAFT CYCLES PLANNING TO CONTACT ENGINEERING FOR THE INSP AUXILIARY SILL OUTER CHORD BETWEEN STA 312 AND STA 325 ON AIRCRAFT N23707 IAW PART 2 OF THE LATEST REV OF ECRA 5311-03050 UPON THE ACCUMULATION OF 50,000 TOTAL AIRCRAFT FLIGHT CYCLES, PERFORM AN INSPECTION OF THE REPAIR TO THE STR 23L LOWER TOMC APPROVED DIP CARRY. PERFORMED INTERIM REPAIR PER PART 1. TOMC-APPROVAL FROM SC1ELBYC COMMENT PLACED ON DIP TO PERFORM AN INSPECTION OF THE REPAIR TO THE STR 23L LOWER AUX SILL OUTER CHORD BETWEEN STA 310 AND 325 IAW PART 2 OF THE LATEST REVISION REF ECRA 5311-03050 UPON ACCUMULATION OF 50,000 TOTAL AC FC. REF ASSOCIATED DIP LP 5536346 FOR PLANNING TO CONTACT ESC. TOMC UPDATE: TYPO CORRECTION: STA 312 NOT STA 310. QC REVIEWED RECORDS UPDATE QC REVIEWED T/A : 50,000 TAFC............PK/U394517