# SDR CALA2026082718956

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N839UA](https://openairdocs.org/aircraft/N839UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1507
- Aircraft time: 73,444 hours, 33,072 cycles
- Engine: Iae V2522A5
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: D531124240000
- Condition: Cracked
- Location: Fr 16
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082718956

## Discrepancy

LEFT FRAME 16 HOLE NR  2 REPAIRED ON NR 30576/9290576 REQUIRES DIP LOGPAGE GENERATION FOR REPETITIVE INSPECTION REQUIREMENTS. GENE RATED BY V945000 PER AAR LCQ NR 9291035/31035.ESFR INFORMATION UPDATE LH FRAME 16 HOLE #2 REPAIRED IAW 53-11-12-300-012. CRACK WAS FOU ND DURING THE ISBS REF FIG 1 SHT 1 STEP 2. CRACK FOUND IN FRAME LAYER PER FIG 002 REF FIG 1 SHT 1 STEP 3. CRACK WAS FOUND WITHIN CONCERNED LAYER PER FIG 003 REF FIG 1 SHT 1 STEP 4. HOLE 2 WAS ADD EMP:V945000 FOUND AT ORIGINAL NOMINAL DIAMETER OF .3110 PER FIG 004 REF FIG 1 SHT 1 STEP 5. DAMAGE FOUND AT LH FR16 HOLE 4 REF FIG 1 SHT 1 S TEP 7. FIRST OVERSIZED HOLE TO A DIAMETER OF .3270. PERFORMED ROTO PROBE INSP, HOLE 2 FOUND DEFECT FREE AT A DIAMETER OF .3270 REF FIG 1 SHT 2 STEP 12-13. ASSOCIATED HOLE IDENTIFIED AS HOLE 1, HOLE FOUND TO HAVE A NOMINAL DIAMETER OF .2500, NOT OVERSIZED REF FIG 1 SHT 2 STEP 21-22. HOLE 2 IDENTIFIED AS LEADER HOLE, AND HOLE 1 IDENTIFIED AS ASSOC IATED HOLE REF FIG 1 SHT 2 STEP 24. TERMINATING ACTION TABLE- LE ADER HOLE 1ST OVERSIZED HOLE DIAMETER, ASSOCIATED HOLE NOMINAL D IAMETER, REAMED LEADER HOLE IN ALL LAYERS TO A DIAMETER OF .3270

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.