Service difficulty report · Intercostal · Boeing 73779P

Difficulty date
December 30, 2024
Submitted
January 6, 2025
Operation
Air carrier
Aircraft
N7862A
Make and model
Boeing 73779P
Aircraft serial
33009
Aircraft time
58,099 hours, 38,674 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100
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

INTERNAL DAMAGE BETWEEN STA 927 AND 947 STR 21 L/H INTERCOSTAL CRACKED.<[01] PART TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G-0 PARAGRAPH 9.<BR><BR>REMOVED DAMAGED INTERCOSTAL AT STA 927 - 947; STR- 21L/H PER SRM 51-40-02.;[02] FABRICATED; LOCATED AND DRILLED REPLACEMENT INTERCOSTAL PER DWG# 147A8801 REV: -; SRM 51-40-02. REF: FAULT TTG8Q00XUW2T EA 24-153-03573.;[03] VERIFIED CORRECTIVE ACTION #2;[04] APPLIED CHEMICAL CONVERSION COATING TO REPLACEMENT INTERCOSTAL PER SOPM 20-43-03 AND PRIMER BMS 10-11 PER SOPM 20-41-02. REQUEST OK TO INSTALL REPLACEMENT INTERCOSTAL.;[05] VERIFIED CORRECTIVE ACTION #4; OK TO INSTALL;[06] INSTALLED REPLACEMENT INTERCOSTAL AT BS 927 TO BS 947 STR 21L PER DWG# 147A8801 REV: -; SRM 51-40-02-0G-0. REF: FAULT TTG8Q00XUW2T EA 24-153-03573;[07] RII VERIFIED CORRECTIVE ACTION ITEM 6.;[08] VERIFIED CORRECTIVE ACTION ITEMS; CARD COMPLETE.

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